Thank you for showing me how to travel online．
____．（ ）
A．No problemB．Of course not
C．It doesn't matterD．My pleasure
It takes me half an hour _____playing the piano．How about you？
I usually spend 20 minutes ____it．（ ）
| A． |
practicing； on |
| B． |
to practice； in |
| C． |
to practice； on |
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 |