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 He always gives me useful advice when I don’t know        next .
#48456
A
how to do
B
when to do
C
what to do
D
where to do
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推荐题目
 I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
The policeman warned the driver _______too fast. It was very dangerous.
#49600
A
to drive
B
not to drive
C
driving
D
not driving
 The children enjoyed_______ very much last night.
#49029
A
they
B
them
C
themselves
D
theirs
 It is time     to school.
#49964
A
go
B
to go
C
going
D
goes
 I’ve asked him __________ us for dinner, but he said he was quite busy.
#49861
A
joining
B
to join
C
joined
D
join