Scientists think that the continents today _______ always where they _______.
| A．aren’t; are | B．aren’t; were | C．weren’t; are | D．weren’t; were |
She said the foreigners __ our city.
| A．visiting | B．were going to visit | C．are visited | D．visited |
Don’t come at ten o’clock tomorrow, he ___then.
| A．will be | B．will work | C．will be working | D．would work |
By the time the new pupil ___ enough courage to raise his hand, the bell__ for the end of the lesson
| A．had gathered…was already ringing | B．was gathering…had already rung |
| C．gathered… had already rung | D．would gather… have rung |
My family and I __ our New Year’s Eve dinner when the news of the outbreak of the war __ over on the radio.
| A．enjoyed..came | B．were enjoying..was coming | C．enjoyed.. was coming | D．were enjoyed..came |
How can you ___ if you are not ___?
| A．listen, hearing | B．hear, listening | C．be listening, heard | D．be hearing, listened to |