He was so tired that he fell asleep he went to bed．（ ）
| A． |
as if |
B． |
even though |
| C． |
ever since |
D． |
as soon as |
Someone is knocking at the door，Is it Tom？
It _____him．He has gone to Beijing．（ ）
| A． |
may not be |
B． |
can't be |
C． |
mustn't be |
The weather in Qiqihar is colder than ____in Shanghai．（ ）
| A． |
those |
B． |
it |
C． |
that |
WeChat（微信） is widely used．_____the young _____the old are interested in it．
| A． |
Either； or |
| B． |
Neither； nor |
| C． |
Not only； but also |
Would you like ____to eat？
Yes，please．（ ）
| A． |
anything delicious |
| B． |
delicious anything |
| C． |
something delicious |
I want to know if he _____back tomorrow．
I'll call you as soon as he _____．（ ）
| A． |
will come； will return |
| B． |
will come； returns |
| C． |
comes； will return |