________ the girls in our class ________ over twenty.
| A．A number of, are | B．The number of, are |
| C．A number of, is | D．The number of, is |
— When did the plane _______? — Half an hour ago.
| A．get | B．reach |
| C．arrive | D．arrive at |
Daniel had one month ________ last summer and he took a course________DIY.
| A．off; in | B．for; about |
| C．away; on | D．off; for |
We can put the prefix “un-” before the following words to give them the opposite meaning except (除了) ________.
| A．correct | B．comfortable |
| C．certain | D．interesting |
Peter’s drawing isn’t______________ Sandy’s.
| A．as more beautiful as | B．so beautiful as |
| C．as much beautiful as | D．as beautiful so |
— Andy is really honest boy.
— Yes. That’s why he is most popular student in his class.
| A．an; a | B．an; the |
| C．a; the | D．the; / |