You aren't supposed to smoke in public．It's bad for our health．
Sorry，I will ______ my cigarette right now．（ ）
A．give upB．put downC．put outD．give away
Although they feel tired，_____ they still go on working．（ ）
| A． |
and |
B． |
but |
C． |
so |
D． |
/ |
It isn't easy for us ______ English well．（ ）
| A． |
learn |
B． |
learns |
C． |
learning |
D． |
to learn |
Who cleaned the room？
Li Lei _________．（ ）
| A． |
is |
B． |
was |
C． |
dose |
D． |
did |
The man is feeling much better now，so you ______ call a doctor．（ ）
| A． |
needn't |
B． |
can't |
C． |
mustn't |
D． |
shouldn't |
My Grandma goes to bed __________ nine every day．（ ）
| A． |
in |
B． |
on |
C． |
at |
D． |
for |