— Is it convenient if I call you up at 9 tomorrow morning?— I am afraid not. I _____ a group of visiting teachers then. 
#101536
A
am meeting
B
will meet
C
will be meeting
D
will have met
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I ______ Mr White at that time, otherwise I wouldn’t have asked you for some information about him. 
#102921
A
hadn’t known
B
didn’t know
C
don’t know
D
haven’t known
Last night’s TV news said that by then exact evidence for the missing plane MH370      .
#99339
A
had not been found
B
had not found
C
has not been found
D
has not found
Had I known the party was so boring, I wouldn’t have come. I __anything.
#100793
A
hadn’t done
B
haven’t done
C
didn’t do
D
wouldn’t do