___ convenient it is to live in China!
Yes， we've got WeChat， shared bikes， Alipay， etc．（ ）
A．What aB．WhatC．How aD．How
We all look forward to ____ you again soon．（ ）
| A． |
see |
B． |
seeing |
C． |
seen |
Do you know ____ ？（ ）
| A． |
how old is he |
| B． |
how old he is |
| C． |
he is how old |
My sister ____ be lazy． But now she's working really hard．（ ）
| A． |
used to |
| B． |
is used to |
| C． |
was used to |
____ will you go back to your hometown？
In a week．（ ）
| A． |
How long |
B． |
How far |
C． |
How soon |
Shall we go to see the documentary Amazing China or stay at home？
Either is OK． ____．（ ）
| A． |
Go ahead |
| B． |
It's up to you |
| C． |
That's all right |