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Timmy is worrying about       enough time       the work.
#50396
A
not to have; doing
B
not having; doing
C
not to have; to do
D
not having; to do
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The little girl kept _____ the house, because she wanted to keep it _____.
#49109
A
cleaning; clean
B
cleaning; cleaning
C
clean; clean
D
clean; cleaning
 I finished ______ my homework about two hours ago.
#50240
A
to do
B
doing
C
does
D
to does
Do you enjoy __________ on the Internet?
#49165
A
surfing
B
surf
C
to surf
D
surfed
 I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
— Could you please tell me     ?—Tomorrow morning.
#49692
A
how I can get to the post office
B
how long can I keep the book
C
when to leave for Beijing
D
where I should take the early bus