----- Is that Mr．Smith over there?
----- No, it _____ be him --- I am sure he is much taller.
| A．must not | B．may not |
| C．can’t | D．won’t |
Cleverness is not always a ________ of high grades in exams. You’d better learn knowledge carefully and practice more.
| A．result | B．record |
| C．guarantee | D．reaction |
It is known that the weight of an object ________ from place to place on the earth.
| A．exchanges | B．varies |
| C．translates | D．ranges |
Hibernating animals have stored ________ fat in their bodies during the summer and autumn.
| A．a good many | B．supplies of |
| C．a large quantities of | D．a few |
More and more people choose to shop in the supermarket，for they are especially interested in the ________ of goods on offer.
| A．price | B．variety |
| C．value | D．amount |
Do you think that prices of vegetables will ________？
| A．rise up | B．bring down |
| C．go up | D．raise |