Nowadays，some robots are very human﹣like．They walk and dance．（ ）
| A． |
can |
B． |
must |
C． |
need |
D． |
have to |
Can you tell me how long you ______ the Huawei mobile phone，Mr．Zhang．
Nearly a year．It works very well．（ ）
A．will buyB．have had
C．have boughtD．had had．
I called you at last night，but you didn't pick up．
Oh I ______ "HuanlesongⅡ"，at home that，that time．（ ）
A．watchedB．am watching
C．was watchingD．watch
______ this past three years，which teachers will you miss most？
Mr Jiang．He's helped me a lot．（ ）
A．Looking back atB．Looking for
C．Looking throughD．Looking after
Are we going to have a sports meeting on Friday，Li Ping？
No，it will be ______ till next week because of the bad weather．（ ）
A．put outB．put onC．put awayD．put off
Which country has the ______ population in the world？
China．It's a little ______ than that of India．（ ）
A．most，mostB．biggest，bigger
C．more，mostD．bigger，bigger