An hour ago,Tom___(be)in the reading room.I don't think he____(be) there now.Maybe he__(be)at thegym now.

An hour ago,Tom___(be)in the reading room.I don't think he____(be) there now.Maybe he__(be)at thegym now. He was here().A.half an hour before B.half hour ago C.half an hour ago A:When________it________?(arrive)B:Half an hour ago.急! They will be back ___________ A.for an hour B.after an hour C.an hour ago D.in an hiur应选哪个为什么? an hour ago和an hour later有什么区别? tom ____(play)football an hour ago an hour ago 算不算段时间 since 还是 for an hour ago They left an hour ago变成现在完成时 half an hour ago 什么意思? Jim finished ( ) his homework an hour ago It started to rain an hour ago He went to the shop about an hour ______. A before B ago It'll be ready ____ half an hour.A.on B.in C.after D.ago Miss Gao left an hour ago 同义句转换 Miss Gao an hour ago Miss Gao left an hour ago的同义句 Miss Gao _____ an _____ hour ago. Sorry,I ordered my food half an hour ago.对“half an hour ago”提问 They will be back ____.A.for half an hourThey will be back ____.A.for half an hour B.after half an hourC.half an hour ago D.in half an hour