The flu is believed ________ by viruses that like to reproduce in the cell inside the human nose and throat.
A.causing | B.being caused |
C.to be caused | D.to have caused |
You must know why she got angry this morning,_________.
A.mustn’t you | B.don’t you | C.didn’t she | D.wasn’t she |
—Thank you for helping me order the food.
—_________.
A.All right. | B.Never mind. |
C.My pleasure | D.I’m glad you enjoy it. |
They _____the battle but lost many men.
A.gained | B.won | C.defeated | D.beat |
. It’s quite an informal gathering ; you needn’t ______for it .
A.dress down | B.dress up | C.dress | D.dress on |
I’m surprised that you should have been fooled by such a(an) ____trick.
A.ordinary | B. easy | C.smare | D.simple |