Bob would have helped us yesterday, but he ________.
#99049
A
was busy
B
is busy
C
had been busy
D
will be busy
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——Oh,it’s you!I______you. ——I’ve just had my hair cut and I’m wearing new glasses.
#103501
A
didn’t recognize
B
hadn’t recognized
C
haven’t recognized
D
don’t recongnize
He said to us that he ____the teacher’s instructions.
#100425
A
must follow
B
followed
C
follow
D
must have followed