Samuel, the tallest boy in our class, ______ easily reach the books on the top shelf.
A.must
B. should
C. can
D. need
- Peter, please send us postcards ______ we’ll know where you have visited.
- No problem.
Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.
A.whatever
B. whoever
C. whomever
D. whichever
- ______ that company to see how they think of our product yesterday?
- Yes. They are happy with it.
A.Did you call
B.Have you called
C.Will you call
D. Were you calling
______ birds use their feathers for flight, some of their feathers are for other purposes.
A.Once
B.If
C.Although
D. Because
Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.
A.why
B.where
C.how
D. when
Many airlines now allow passengers to print their boarding passes online ______ their valuable time.
A.save
B.saving
C.to save
D. saved
If you don’t understand something, you may research, study, and talk to other people _______ you figure it out.
A.because
B.though
C.until
D. since
In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.
A.haven’t invented
B. haven’t been invented
C. hadn’t invented
D. hadn’t been invented
The national park has a large collection of wildlife, _________ from butterflies to elephants.
A.ranging
B.range
C.to range
D. ranged
The little problems ______ we meet in our daily lives may be inspirations for great inventions.
A.that
B.as
C.where
D.when
Jim has retired, but he still remember the happy time _______ with his students.
A.to spend
B.spend
C.spending
D. spent
People______better access to health care than they used to, and they’re living longer as a result.
A.will have
B.have
C.had
D. had had
If the new safety system _______ to use, the accident would never have happened.
A.had been put
B.were put
C.should be put
D. would be put
Many people who live along the coast make a living _______ fishing industry.