_______A common memory they all have their school days is the school uniform.
A. of B. on C. to D. With
The research group produced two reports based on the survey, but________ contained any useful suggestions.
A. all B. none C. either D. Neither
—Can’t you stay a little longer?
—It’s getting late. I really _____go now, My daughter is home alone.
A.may B.can C. must D.dare
You won’t find paper cutting difficult _____you keep practicing it.
A. even if B. as long as C .as if D. ever since
—Did you have difficulty finding Ann'house?
—Not really.She___us clear directions and we were able to find it.easily?
A.was to give B.had given
C.was giving D.would give
In the last few years,China ___ great achievements in environmental protection.
A.has made B.had made C.was making D.is making
