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—________ do you update your micro blog (微博)?  —Twice a week.
#41207
A
How long
B
How often
C
How many times
D
How soon
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I didn’t  know ______ to London.
#40777
A
how to go
B
where to go
C
what to go
D
how go
----    does the baby mouse weigh? ----About 20grams.
#41154
A
How much
B
How many
C
How
D
What
The sentence structure of “Teachers ask me to finish the homework on time” is ____________.
#40921
A
S+V+DO
B
S+V+IO+DO
C
S+V+DO+OC
D
S+V+P
-- ________ is this?                        -- It is  black
#40951
A
What color
B
What’s color
C
What
D
What’s
______ good habits ______ very important.
#40939
A
Having; is
B
Having; are
C
Have; is
D
Have; are