Half an hour ____(pass) since the train __(leave).
Half an hour ____(pass) since the train __(leave).
half an hour ___(pass) since the train __(leave)
you have missed the train ,it ____(leave)half an hour ago
Half an hour has passed since the train left
half an hour passed since the train leaved.
When ___the train __?In half an hour.
When did the train ___ Half an hour ago
the train will arrive in half an hour later?
The film has been on since half an hour ago.(对划线部分since half
The plane will ____ in half an hour.
I ________ at the station half an hour ago,but the train ___
I ___at the station half an hour ago ,but now the train ___y