----This returned Chinese scholar has become one of the top experts in this field.----Yes,I know him very well.He____in Africa with animals for eight years.
#104192
A
has worke
B
had worked
C
worked
D
has been working
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The milk must be preserved at this temperature until it ____.
#101024
A
will process
B
is processed
C
has processed
D
had been processed
—Tom, you didn’t come to the party last night? — I _____ , but I suddenly remembered I had homework to do.
#101820
A
had to
B
didn’t
C
was going to
D
wouldn’t
---Have you thought of the topic for the composition?---Not yet, I____it very carefully, but I haven’t decided.
#104917
A
will consider
B
have been considering
C
had considered
D
was considering
Mike his wedding for a whole month and hopefully everything will be ready tomorrow.
#102434
A
prepares
B
is preparing
C
had prepared
D
has been preparing
.---Ugh! I’m really cold then really hot,then cold again.I’m getting the flu.-----__________? Maybe you should go home and get some sleep.
#103743
A
Are you
B
Do you
C
Have you
D
Will you