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—__________ do I have to change the robot’s batteries? —Every two months.
#41136
A
How long
B
How soon
C
How often
D
How many
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             ,we’ll go for a picnic next week.
#41098
A
If weather permit
B
Weather permitting
C
Weather permitted
D
Weather permission
—_______ is the ruler? Is it black?—Yes, it is.
#41194
A
How
B
Who
C
What
D
What color
We’d like a room ______ a big color TV in it.
#41080
A
and
B
has
C
have
D
with.
_____ we need more time is obvious.
#40748
A
What
B
That
C
/
D
Who
If you have a holiday, why not ________ on a trip?
#41274
A
consider to go
B
to consider to go
C
consider going
D
considering going