It is very important for us_____ English well.
| A．learn | B．learning |
| C．to learn | D．learned |
Don't ___________ what should be done today till tomorrow．（ ）
| A． |
put off |
B． |
cut off |
C． |
take off |
D． |
turn off |
Can I keep the book a little ___________？ I haven't finished reading it yet．
Sorry． You have to return it on time．（ ）
| A． |
shorter |
B． |
bigger |
C． |
longer |
D． |
smaller |
The restaurant is very popular because the waiters there are ___________ customers．（ ）
| A． |
thirsty for |
B． |
strict with |
| C． |
hard on |
D． |
friendly to |
Look! The children are playing in the swimming pool．
___________ great fun they are having!（ ）
| A． |
What |
B． |
How |
C． |
What a |
D． |
How a |
Why didn't Alice come to the party last night？
Because she ___________ online classes at that time．（ ）
| A． |
takes |
B． |
took |
C． |
was taking |
D． |
has taken |