.
Nobody knows ________ to visit our school .
| A．when will he come | B．when does he come |
| C．when he will come | D．when he does come |
A sheep_______on this kind of special grass usually grows much faster than_______on ordinary (普通的).
| A．feeding; one | B．feeds;the one | C．fed;that | D．feeding;it |
The Chinese language differs from Western languages ______, instead of an alphabet, it uses characters which _______ ideas, objects or deeds.
| A．for which; take for | B．in that; stand for |
| C．in which; make for | D．on that; wish for |
Eating too much fat can______heart disease and cause high blood pressure.
Which is wrong?
| A．bring about | B．contribute to | C．lead to | D．result from |
No matter what changes have taken place, nobody can _______the fact that the experiment is a great success.
| A．value | B．ignore | C．observe | D．support |
________he was a rising film star in China, but now few young people know him.
| A．At a time | B．All the time | C．At one time | D．At times |