The thief ________ in from the kitchen window as the door was closed.
| A．may climb | B．must have climbed |
C．could have climbed | D．should have climbed |
My mother asked me______ enter my room.
| A．whether she could | B．when could she | C．that she can | D．how can she |
Although he had______ many severe tests during his lifetime, he succeeded at last.
| A．passed through | B．gone through | C．got along | D．got through |
It is not a serious illness. I guess she will ______ soon.
| A．remove | B．recover | C．replace | D．reduce |
The scientist wrote down_____ series of things to do with______ nature, such as a blue sky.
A a, / B. a, the C. /, / D. /, the
----People should stop using their cars and start using public transport.
----________. The roads are too crowed as it is.
| A．all right | B．exactly | C．go ahead | D．fine |