The young mother walked off, leaving the little boy ___________ in the room.
| A．cry | B．crying | C．cried | D．to cry |
Only when Tom fully recovered ______ back to work.
| A．did he go | B．he went | C．had he gone | D．he had gone |
----Has Tom already finished his new story?
----I have no idea. He ______ it last month.
| A．had written | B．was writing | C．would write | D．wrote |
You have a big mouth, Tom. You _______ have told everybody the secret.
| A．can’t | B．mustn’t | C．shouldn’t | D．mightn’t |
He’s not got another job yet and it’s not ______ he will for some time.
| A．likely | B．possibly | C．probably | D．easily |
We will ______ all the natural resources if we continue consuming them like that.
| A．run out | B．wipe out | C．drop out | D．hold out |