It is not right ____ in public places. 
#70995
A
smokes
B
smoking
C
smoked
D
to smoke
推荐题目
It was rather cold yesterday,      ? 
#69710
A
wasn’t it
B
was it
C
didn’t it
D
did it .
He hardly ever feels tired, ______?
#69680
A
is he
B
isn’t he
C
does he
D
doesn’t he
He could hardly work alone, _______?
#69225
A
could he
B
couldn't he
C
didn't he
D
did he
—______are you staying there?—Just for two days. 
#70729
A
How long
B
When
C
How often
D
How many