Q1：Samuel, the tallest boy in our class, ______ easily reach the books on the top shelf.
Q2：- Peter, please send us postcards ______ we’ll know where you have visited.- No problem.
Q3：Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.
Q4：- ______ 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
Q5：______ birds use their feathers for flight, some of their feathers are for other purposes.
Q6：Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.
Q7：Many airlines now allow passengers to print their boarding passes online ______ their valuable time.
Q8：If you don’t understand something, you may research, study, and talk to other people _______ you figure it out.
Q9：In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.
B. haven’t been invented
C. hadn’t invented
D. hadn’t been invented
Q10：The national park has a large collection of wildlife, _________ from butterflies to elephants.
Q11：The little problems ______ we meet in our daily lives may be inspirations for great inventions.
Q12：Jim has retired, but he still remember the happy time _______ with his students.
Q13：People______better access to health care than they used to, and they’re living longer as a result.
D. had had
Q14：If the new safety system _______ to use, the accident would never have happened.
A.had been put
C.should be put
D. would be put
Q15：Many people who live along the coast make a living _______ fishing industry.