________ blood if you can and many lives will be saved.
A.Given B.Give C.Giving D.To give
--_____ my dictionary?
-- Yes. I put it in your desk just now.
A.Do you see B.Have you seen
C.Did you see D.Had you seen
The new bridge ________ by the end of last month.
A.has been designed B.had been designed
C.was designed D.would be designed
Though we tried our best, we ______ at last.
A.won B.beat
C.were won D.were beaten
It ______ 3 years since I _____ to No. 1 Middle School.
A.is, come B.is, have come
C.was, came D.is, came
My mother ______ the window already, so the room looks much brighter.
A.had cleaned B.has cleaned
C.is cleaning D.will clean
