The man was walking along the street        he stopped and looked as if                   whether he was going in the right direction. 
#68945
A
when; seeing
B
when; to see
C
while; seeing
D
while; to see
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Not until the child fell asleep_______leave the room. 
#72153
A
did the mother
B
does the mother
C
was the mother
D
is the mother
.If their marketing plans succeed, they ____ their sales by 30 percent.
#68240
A
will increase
B
have been increasing
C
have increased
D
would be increasing
— ____ in this street?   — I think Mr. Black is the richest man.
#73148
A
Whom do you think is the richest man
B
Who do you think is the richest man
C
Do you think who is the richest man
D
Do you think whom is the richest man
It was ______ten o’clock ______he returned home.
#69865
A
\ …when
B
at …when
C
at …that
D
\...that