【题目】As the town ______ good restaurants, we just treated the foreign friends to some local food at home yesterday.
A.didn't have
B.doesn't have
C.won't have
D.hadn't had

—_________. I’m well prepared for it.

A. I’m afraid not B. No problem

C. Hard to say D. Not really

【题目】Scientists think calculating is a necessary skill_________ they base their researches.
A.on it
B.on that
C.on which
D.on whose

A. Since B. After

C. While D. Unless

A. can’t B. couldn’t

C. may not D. might not

A. that B. which

C. why D. what

A. divide B. reject

C. control D. abandon

【题目】We still have a long way to go to solve all the problems ___________the Yangtze River.
A.regardless of
B.in regard to
C.in search of
D.instead of

【题目】Among the biggest problems facing those remote mountainous villages __________the lack of experienced teachers.
A.is
B.are
C.is there
D.are there

A. specific B. permanent

C. abstract D. universal