The river is too wide for the swimmers _______________.
| A．to swim | B．to swim in |
| C．to swim across | D．swimming |
I think it's necessary to learn how to work in groups．
I quite agree．Sometimes it's even ________ than grades．（ ）
| A． |
less important |
B． |
more important |
| C． |
the least important |
D． |
the most important |
A true friend will never ________ from you when you're in trouble．（ ）
| A． |
take away |
B． |
run away |
C． |
put off |
D． |
get off |
When spring comes，trees begin to _____ green．（ ）
| A． |
sound |
B． |
taste |
C． |
keep |
D． |
turn |
I'm sorry．I broke your tea cup．
________．I have another one at home．（ ）
| A． |
It doesn't matter |
B． |
You'd better not |
| C． |
My pleasure |
D． |
It's too bad |
Chen Wei isn't at school today ________ he is taking a robot competition in Shanghai．（ ）
| A． |
so |
B． |
because |
C． |
before |
D． |
if |