We had______fun at Mary's party last Sunday,which was an impressive memory.
A. a large number of B. a great many
C. a great deal of D. many a
—Do you know why the teacher asked for me?
—He wanted you to______your absence last night.
A. call for B. account for
C. send for D. reach for
Too much meat and sugar may cause you to______weight very easily.
A. put up B. put off
C. put on D. put down
It may be necessary to stop______in the learning process and go back to the difficult points in the lessons.
A. at intervals B. at random
C. at ease D. at length
I have______all my papers but I still can't find my notes,
A. looked through B. looked for
C. looked after D. looked out
So far no one has______convincing evidence of why dinosaurs died out,and it remains a mystery.
A. come about B. come into
C. come up with D. come out
