______ surprised the hostess most is _______ one of her friends left the party without saying a word.
| A．What, what | B．What, that | C．That, that | D．That, what |
You have made a few mistakes in your composition but ______ you have done well.
| A．as a whole | B．on the whole |
| C．on the other hand | D．generally speaking |
In the experiment you should keep a watchful eye ______ the developments and record every detail.
| A．in | B．at | C．for | D．on |
He said ______ couldn’t he work out the problem but his teacher didn’t know how to do it.
| A．though | B．never | C．hardly | D．not only |
The problem ______ many children,especially girls,have ______ school is getting more and more serious.
| A．which;got out of | B．that;dropped out of |
| C．that;fallen out of | D．which;run out of |
Usually children are allowed to ______ when they are six years old.
| A．attend school | B．attend the school |
| C．join school | D．join the school |