Mr. Smith created a new game. Soon all his students ________ rules to play it.
| A． |
teach |
B． |
taught |
C． |
are taught |
D． |
were taught |
He promised to come to see you．
But he ．I've been atl alone．（ ）
| A． |
doesn't |
B． |
isn't |
C． |
hasn't |
D． |
won't |
You can be a good teacher unless you become more patient．（ ）
| A． |
often |
B． |
ever |
C． |
always |
D． |
never |
What do you want for dinner tonight？
We will have whatever you want．（ ）
| A． |
It's up to you． |
B． |
Help yourself． |
| C． |
Never mind． |
D． |
You needn't worry． |
If the company fails to make enough money，it will have to （ ）
| A． |
take away |
B． |
close down |
C． |
break up |
D． |
set off |
Did you call Fred back？
I didn't need to， I'll see him tomorrow．（ ）
| A． |
because |
B． |
unless |
C． |
when |
D． |
though |