—The current European debt crisis is affecting many countries in the world.—Will it be at least several years __________ everything returns to normal?
#92777
A
when
B
before
C
that
D
since
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The plan for the new design occurred to Mr. Smith______on his work recently.
#95059
A
while concentrated
B
while concentrating
C
while he concentrated
D
while concentrating himself
________, I believe, and you will find him very outgoing.
#92183
A
Having a talk with Tom
B
Given a talk with Tom
C
One talk with Tom
D
If you have a talk with Tom
These flowers are pleasant to ______.
#92092
A
be looked at
B
look at
C
looking at
D
for looking at