---What did you do yesterday?---My brother took two friends of _______ to play chess with us. But I don’t know________ of them.
#36643
A
his; all
B
him; both
C
his; either
D
him; neither
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—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
—______ a week do you walk your dog?   —Less than three times a week.
#42350
A
How often
B
How many times
C
How long
D
How soon