There was a large box behind the door and Peter couldn't _____ falling over it in the darkness.
| A．help | B．resist | C．avoid | D．prevent |
We _____ to move but are still considering where to go to.
| A．are deciding | B．decided | C．have decided | D．had decided |
You _____ your turn so you’ll have to wait.
| A．will miss | B．have missed | C．are missing | D．had missed |
I _____ for five minutes； why don’t they come？
| A．am calling | B．Called | C．was calling | D．have been calling |
It’s good that we _____ to the park because it’s started to rain.
| A．don’t go | B．hadn’t gone | C．didn’t go | D．wasn’t going |
Look at that little boy wandering about — perhaps he _____ his mother.
| A．will lose | B．is losing | C．had lost | D．has lost |