A. more and more expensive B. cheaper and cheaper

C. higher and higher D. lower and lower

A. just; already B. yet; never

C. yet; already D. already; yet

【题目】Trees can ______ us _____ fruit and are useful and important in our daily lives
A.protect; with
B.provide; with
C.provide; for

A. leaving B. is left C.left D. being left

A. What B. What a C. How D. How a

【题目】The little dog is so cute, ______ I like it very much.
A.so
B.but
C.or

A. for B. with

C. at D. to

【题目】These animals are ________. We should protect them and stop _________ trees.
A.in danger, cutting down
B.all the way, cut down
C.dangerous, to cut down

A. have left B. left C. have been away from D. had left

【题目】— My bike is broken．What should I do?
— You can get it in that bike shop.
A． repair B． repaired

C． repairs D． to repair