We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
| A．safe | B．square |
| C．transparent | D．thick |
Mary liked to look back on her high—school days，she thought were the happiest in her life．
| A．that | B．what | C．which | D．when |
Before you decide to leave your job，the effect it will have on your family．
| A．consider | B．considering | C．to consider | D．considered |
一Whenhe know the result of today’s job interview?
一In a couple of days．
| A．should | B．may | C．shall | D．must |
Jane is not good at sports，but when itto cooking，she’s excellent．
| A．happens | B．comes | C．does | D．occurs |
That Was the first time shealone at home during the weekends，bored to death．
| A．has left | B．has been left | C．had left | D．had been left |