While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth.
| A．now and then | B．over and over | C．up and down | D．here and there |
---- She looks very happy. She have passed the exam
---- I guess so. It’s not difficult after all.
| A．should |
| B．could |
| C．must |
| D．might |
---You couldn't have chosen any gift better for me.
--- .
| A．Oh, you are complaining |
| B．I'm glad you like it so much |
| C．Sorry. 1'II give you a better one next time |
| D．You have a gift for it |
Mr. Black, our headmaster,Mary to teach the boy a good lesson,and so he did.
| A．agreed |
| B．permitted |
| C．persuaded |
| D．promised |
So were you in what you were doing that I dared not make any sound when I came in.
| A．curious |
| B．concerned |
| C．absorbed |
| D．focusing |
Green products are becoming more and more popular because they are environmentally.
| A．friendly |
| B．various |
| C．common |
| D．changeable |