The flowers his friend gave him will die unless _________ every day.
#80486
A
watering
B
watered
C
is watered
D
waters
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So lost in their computers____that leaders at summer computer camps often have to force them to break for sports and games.
#82318
A
became the children
B
become the children
C
had the children become
D
do the children become
This street is very crowded at this time of day.You have to be very cautious while ______.
#79626
A
to drive
B
being driven
C
driving
D
having driven
_____, please come to see me.
#81769
A
When it convenient
B
When is convenient
C
When convenient
D
Convenient
I finally get the job. Never in my life _________ so happy.
#81591
A
did I feel
B
I felt
C
I had felt
D
have I felt
Can you explain ______ the OPEC can have such total control over the price of oil?
#81908
A
how is it that
B
that how
C
how it is that
D
what is it