With the rapid development of medical science, we ___ more new drugs used in the treatment of cancer.
#100437
A
see
B
had seen
C
will be seeing
D
would see
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Michael __________ here to see you and he____________ a note on your desk.
#104817
A
has come; had left
B
has been; has left
C
has come; left
D
has been; left
The wet weather will continue tomorrow, when a cold front ______ to arrive.
#104956
A
is expected
B
is expecting
C
expects
D
will be expected
---Bob has gone to California.  ---Oh, can you tell me when he ____?
#102410
A
left
B
has left
C
is leaving
D
would leave