A．solve B．will solve

C．solved D．solving

【题目】Shein front of Mary．
A.is
B.are
C.am

【题目】—Don't throw away the waste paper.
—It needs __________ so that it can be reused.
A.to destroy
B.destroying
C.to collect
D.collecting

—No, it’s about ___________.

A. 8 minutes’ walk B. 8 minute walk

C. 8 minutes walk D. 8 minute’s walk

A.young B.older

C.the older D. younger

【题目】Teenagers __________ allowed to drive.
A.should not be
B.should be not
C.not should be

【题目】Iin Class 1．
A.is
B.am
C.are

【题目】—It's difficult to get to the other side of the river.
—I think a bridge __________ over the river.
A.should be built
B.should build
C.will build
D.has built

【题目】Seeing their teacher __________ into the classroom, they stopped __________ at once.
A.walk; telling
B.entering; to speak
C.enter; to tell
D.walking; talking

A. Tidy up it B. Tidy it up C. Pick up it D. Pick it up