-Do you________your son after school？
-No．He comes back home on the school bus．
—Must I finish the work today, mom ?
—No, you ______.You can finish it tomorrow.
| A．mustn’t | B． can’t | C．shouldn’t | D．needn’t |
The food in the small restaurant smells good, but I don’t know how it ________.
| A．sounds | B．tastes | C．feels | D．looks |
They will lose the game ______they try their best.
| A．unless | B． when | C．since | D． after |
—Do you still remember where we first met?
—Sure , just in the library. And it ______at that time.
| A．rained | B．was raining | C．has rained | D．is raining |
It’s ____for us students to make a plan for studying before the beginning of the new term.
| A．important | B．interesting | C．difficult | D．popular |