The baby is generally healthy, but every now and then he ______ a cold.
#104089
A
has caught
B
is catching
C
will catch
D
does catch
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I would have come earlier, but I ________ that you were waiting for me. 
#102416
A
hadn’t known
B
didn’t know
C
would have known
D
haven’t know
---When ______ and visit our exhibition next month ?-- -When _______ , I will let you know . 
#104621
A
will he come ; he will come
B
will he come ; he comes
C
does he come ; he will come
D
does he come ; he comes