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There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
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The teacher told me ______ again.
#50236
A
not to late
B
not late
C
not to be late
D
not lating
________ hard is the key to success.
#51086
A
To work
B
Work
C
Worked
D
Works
 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
Would you like _______ some milk?
#49421
A
have
B
to have
C
having
D
Has
―Thanks for ­­­­_____us so much help． ―My pleasure.
#51271
A
giving
B
give
C
gives
D
gave