单项选择题
A.polite B.politely C.impolite D.impolitely
They should （）care of anchors to ensure that they are i...
单项选择题They should （）care of anchors to ensure that they are in normal condition.
A.took B.take C.taking D.taken
Please （）.I’ll go and ask him to come.A. wait a momentB...
单项选择题Please （）.I’ll go and ask him to come.
A. wait a moment B. go C. stand D. Sit down.
-How do you do, Chief Officer! -（） A. How are you?B....
-How do you do, Chief Officer! -（）
A. How are you? B. Fine, thank you. C. How do you do? D. Not at all.
