---______do the students exercise a week ?---Once or twice.
#43559
A
How often
B
How long
C
How
D
How many times
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_______of students came to help him.
#35638
A
Hundred
B
Hundreds
C
The Hundreds
D
Thousand
Old people shouldn’t       . In fact, they have stronger and clearer minds.
#35942
A
look down
B
be looked down
C
look down on
D
be looked down on
—How was your vacation last Sunday?—_____ , we had a nice day.
#43018
A
All on all
B
All in all
C
All at all
D
In all
--- Do you know he cooks________?  --- Really? That sounds ________ .
#40330
A
well; good
B
well; well
C
good; good
D
good; well