________of the people on the Net ________China's economy is among the strongest in the world.
| A．Four fifth; believes | B．Four fifth; believe |
| C．Four fifths; believe | D．Four fifths; believes |
______ birds use their feathers for flight, some of their feathers are for other purposes.
| A． |
Once |
B． |
If |
C． |
Although |
D． |
Because |
-______ that company to see how they think of our product yesterday?
-Yes. They are happy with it.
| A． |
Did you call |
B． |
Have you called |
C． |
Will you call |
D． |
Were you calling |
Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.
| A． |
whatever |
B． |
whoever |
C． |
whomever |
D． |
whichever |
-Peter, please send us postcards ______ we'll know where you have visited.
-No problem.
| A． |
but |
B． |
or |
C． |
for |
D． |
so |
Samuel, the tallest boy in our class, ______ easily reach the books on the top shelf.
| A． |
must |
B． |
should |
C． |
can |
D． |
need |