If there's a lot of work ，I'd like to keep on until it is finished．（ ）
| A． |
do |
B． |
to do |
C． |
done |
D． |
doing |
Tim is often heard loudly in the next room．
Yes．Listen!You can hear him there now!（ ）
| A． |
to sing，singing |
B． |
sing，singing |
| C． |
singing，to sing |
D． |
to sing，to sing |
Honey，how are you feeling now？
I am much better，Mum．So you ________ take me to see the doctor．（ ）
| A． |
can't |
B． |
mustn't |
C． |
needn't |
D． |
couldn't |
Angela is very active．She is than most of girls in her class．（ ）
| A． |
very outgoing |
B． |
much outgoing |
| C． |
more outgoing |
D． |
the most outgoing |
smoke，boys．You are not allowed to do that．（ ）
| A． |
Don't |
B． |
Don't be |
C． |
Not |
D． |
Not be |
Learn to smile．A smile costs ，but gives so much（ ）
| A． |
Nobody |
B． |
nothing |
C． |
anything |
D． |
everything |