How much should I　　　　　 　　　　　these books to be sent to Shanghai?

答案:pay for

4.他对记者说:"我们面临的困难越多,我们越应该坚持改革。"

He said to reporters,"The more difficulties we face,the more firmly we should 　　　　　　　　　　　reforms."

答案:stick to

三、语法填空

1.(改编自2018浙江,16)If steel is heavier than water,why are ships able 　　　　　　　　　　　　(float)on the sea?

答案:to float

2.(改编自2018浙江,11)We tend to have a better memory for things that excite our senses or appeal 　　　　　our emotions than for straight facts.

答案:to

3.(改编自2018浙江,7) Body language can give 　　　　　a lot about your mood,so standing with your arms folded can send out a signal that you are being defensive.

答案:away

4.(改编自2018浙江,5)Studies have shown that the right and left ear process sound 　　　　　　　　　(differ).

答案:differently

5.(改编自2018天津,10)Tom had to turn 　　　　　the invitation to the party last weekend because he was too busy.

答案:down

6.(改编自2018天津,11)If you have any doubts about your health,you'd better 　　　　　　(consult)your doctor at once.

答案:consult

7.(改编自2018天津,14)See,your computer has broken down again!It doesn't make sense 　　　　　　　(buy)the cheapest brand of computer just to save a few dollars.