Try not to cough more than you can________since it may cause problems to your lungs.
| A．check | B．allow |
| C．stop | D．help |
Sam always pronounces my name wrong. Do you think he does it ______ ?
| A．on purpose | B．at present | C．at an end | D．right away |
—I’ll do the washing-up. Jack, would you please do the floors?
—_______.
| A．Yes, please | B．No, I don’t | C．Yes, sure | D．No, not at all |
_____ get a better score, she has been studying hard all day.
| A．So as to | B．In order to | C．So that | D．In order that |
You’d better_your scores and see if you have passed the exam.
| A．add up | B． add up to | C．add to | D．added up |
Let Harry play with your toys as well, Clare, you must learn to ________.
| A．support | B．care | C．spare | D．share |