【题目】Great changes __________ in our school in the past few years .
A.have taken place
B.took place
C.take place
D.will take place

A. have toB. must

C. has toD. can

【题目】There __________ a big tree in front of my house . I could hear many birds sing in it .
A.used to be
B.is used to be
C.used to have
D.was used to be

A. was invented B. is invented C. was invent D. invented

【题目】—Will there be more tall buildings in 50 years?
—________.
A.No，there isn't
B.No，they aren't
C.No，there won't
D.No，they won't

A. enough old B. old enough C. too old D. old too

—— No, you . But you have to come back before ten o’clock.

A. mustn’t B. can’t

C. needn’t D. couldn’t

A. pleased B. pleasant C. pleasure D. please

A. cooksB. is cookingC. was cooking