—I’m not sure ______ Bill will come or not.—No, he isn’t.
#36678
A
when
B
if
C
whether
D
weather
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I have ______ money than you, but I have _______ friends than you.
#40753
A
more, more
B
less, more
C
fewer, more
D
more , less
—The old man is ill. He ________ to the hospital at once.  --Don’t worry. A doctor _________to come already.
#39195
A
must be sent , has asked
B
must send, have asked
C
must be sent, has been asked
D
must send, have been asked
 I ______ an hour finishing my homework yesterday.
#42451
A
cost
B
paid
C
spent
D
took