1. _____ what to do next, the man stood at the gate of the station helpless.
(A)Without know
(B)Not knowing
(C)He not know
(D)He knowing not
2. As more and more sea creatures are threatened by plastic waste, we must take action to protect the ocean _____ plastic pollution.
(A)off
(B)in
(C)for
(D)from
3. Without any clues, the only thing Mrs. Grim can do is _____ for the students who took her books away to come out themselves.
(A)waiting
(B)waited
(C)wait
(D)have waited
4. Susan began her career as an English teacher after graduating from college, _____ children aged 6 to 12.
(A)teaching
(B)to teach
(C)taught
(D)and teaching
5. With no money left in her pocket and her cellphone broken, all Nina could do was _____ for her family along the road.
(A)waiting
(B)waited
(C)being waiting
(D)wait
6. _____ the injured kid crying so badly, I stayed with him until his mother came.
(A)To see
(B)Seen
(C)Saw
(D)Seeing
7. _____ my mother’s birthday, I gave her a handwritten card and a bunch of flowers.
(A)I celebrating
(B)Celebrated
(C)To celebrate
(D)By celebrating
8. The old woman sat at an armchair, _____ stories to her grandchildren.
(A)to tell
(B)told
(C)and telling
(D)telling
9. Speaking English well may sound difficult, but all you need to do _____ and _____ it a daily habit.
(A)are practicing; making
(B)is practicing; making
(C)are practice; make
(D)is practice; make
10. _____ a hotel to stay overnight, the couple started looking for someplace to have dinner.
(A)Having found
(B)Had found
(C)Find
(D)To find
11. This literary prize is awarded to praise great achievements _____ to the richness of children’s literature.
(A)add
(B)that add
(C)to add
(D)are added
12.The man said goodbye to his family, _____ his hand.
(A)wave
(B)waved
(C)to wave
(D)waving
13.The teacher dismissed the class one hour earlier than usual, _____ that his students could have more time to prepare for the exam the next day.
(A)to hope
(B)hoped
(C)hoping
(D)with hoping
14. You can choose whichever way to get to the location of the party, _____ by MRT _____ by taxi.
(A)both . . . and
(B)not . . . but
(C)either . . . or
(D)neither . . . nor
15. Abigail can solve the math question _____ than all her classmates. 【单选题
(A)quick
(B)quickly
(C)quicker
(D)more quickly
16. When Levi heard the bad news, all he did was just _____.
(A)cry
(B)crying
(C)cried
(D)to crying
17. Drunk driving puts road users’ lives at risk, and _____ dangerous behavior should be punished by strict laws.
(A)so
(B)such
(C)so much
(D)such a
18. The politician _____ to be the next president thanked the people who chose him and promised to do the best for the people.
(A)elect
(B)elected
(C)electing
(D)to elect
19. The big sale will end tomorrow. Make sure you have bought _____ you want.
(A)how
(B)what
(C)who
(D)which
20. The nurse approached the man, _____ to have a closer look at his wound.
(A)and trying
(B)tried
(C)trying
(D)tries