We ______ last night, but we went to the concert instead.
| A．must have studied | B．might study |
| C．should have studied | D．would study |
– Could you tell me his phone number?
-- _______ the phone book and find it out yourself.
| A．Look up | B．Search for | C．Refer to | D．Going through |
She ____ his number in the phone book to make sure hat she had got it right.
| A．looked up | B．looked for | C．picked out | D．picked up |
– You’re left the light on.
-- Oh, so I have. _____ and turn it off.
| A．I’ll go | B．I’ve gone | C．I go | D．I’m going |
With him ______ the way, we had little trouble finding the school.
| A．leading | B．to lead | C．led | D．lead |
He likes to sleep ______ all the windows _____.
| A．with; open | B．with; opened | C．while; open | D．as; opening |