—When________he________(return)it?—Half an hour ago.
—When________he________(return)it?—Half an hour ago.
when ()it ()?(arrive) half an hour ago
When ——it ——(leave)?——Half an hour ago.
I——(do)my homework already.I ——(do)it half an hour ago.
1.—waiters?—yes?sorry,I ordered my food half an hour ago but
half an hour ago 什么意思?
Sam ( )here half an hour ago
it's half an hour
If it was half past four an hour ago,it is_____now.
Sorry,I ordered my food half an hour ago.对“half an hour ago”
you have missed the train ,it ____(leave)half an hour ago
when _____the film ____(begin?it began half an hour ago