— How long have you known John? — Since he ______ to our class.
#101714
A
has come
B
came
C
had come
D
comes
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—Thank you for your coffee.—But you________ it.
#102938
A
didn’t drink
B
aren’t drinking
C
don’t drink
D
hadn’t drunk
  The teacher tells his students to read the novel over and over again until they ______ it.
#104143
A
understand  
B
understood
C
have understood
D
have been understood
--- What is that wonderful smell? --- Our neighbor ________ for a party.
#99373
A
have prepared
B
is preparing
C
prepare
D
will prepare