The number of chairs in the room __ ten. I’m afraid a number of chairs in the room ___ lost.
#44201
A
is; is
B
is; are
C
are; is
D
are; are
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The father, along with his four children _______ Hangzhou. When they will be back ______ fixed. 
#86161
A
have gone to, isn’t
B
had gone to, is not
C
went to, aren’t
D
has gone to, has not been