Question

-- Will you be back _____ five in the afternoon?
-- I am not sure, maybe later than that.       

A. in

B. before

C. for

D. until

Answer 1

B

考查時間狀語。“下午五點之前你能回來嗎？”“我不確定，可能會比五點晚。”A“在...里”，后跟一段時間；B“在......之前”；C“為了，給”；D“直到”。故選B。