—Did you meet with the famous star yesterday?
—______ I had come a little earlier!
| A．If only | B．Only if | C．But for | D．For fear |
— Hi, Tracy, you look tired.
I am tired. I_______ the living- room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |
— Did Mike call ______you yesterday?
— No, but this morning he called _______my office.
| A．at; on | B．on; on | C．at; at | D．on; at |
It is such a modem machine ____few of the workers know how to operate it.
| A．which | B．that | C．as | D．the one |
_____ in bed, we listened to the heavy rain _______ the window.
| A．Lie; hitting | B．Lay; knocking | C．Lying; beating | D．Lain; striking |
Is_____ necessary ____them to stop ________ every two hours?
| A．that; for; resting | B．that; of; to rest | C．it; for; to rest | D．it; of; resting |