—Has Sam finished his homework today?—I have no idea. He ________ it this morning. 
#104746
A
did
B
has done
C
was doing
D
had done
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They have made greater progress than________ .
#103878
A
they had expected
B
expected
C
to be expected
D
expecting
-What a dry day!-We _______ such dry weather for almost twenty days.
#104440
A
have
B
have had
C
have been having
D
have been had