. Mary spends a lot of money on clothes _______ her family is not rich.
| A．because | B．though | C．if | D．so |
—When will he leave for Shanghai?
—As soon as he _ his work.
| A．finished | B．will finish | C．is finishing | D．finishes |
Tom’s mother is busy _____ breakfast for Tom.
| A．cook | B．to cook | C．cooks | D．cooking |
—Could I use your eraser for a while? —Yes, of course you _.
| A．could | B．can | C．will | D．Should |
—Do you know the girl __is talking to our English teacher?
—Yes. She’s my sister.
| A．who | B．whom | C．which | D．Whose |
—When will the second class begin?
—_two minutes.
| A．For | B．At | C．In | D．After |