——Did you find the missing couple in the mountain yesterday?——No, but we _____ to get in touch with them ever since.
#101360
A
have tried
B
have been trying
C
had tried
D
had been trying
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——Mr , Harry, we want to hear what you think about the reform being carried out in our school.——OK, I to that.
#100380
A
am coming
B
have come
C
which
D
As
The students busily when Miss Brown went to get the book she in the office.
#101482
A
were writing; left
B
wrote; had left
C
had written; left
D
were writing; had left
—Why didn’t you go to yesterday’s meeting? —I would have but I ______too busy working on the important experiment.
#104533
A
had been
B
was
C
were
D
am
--- Hi, Tracy, you look tired. --- I’m very tired. I ____ the living room all day.
#102531
A
painted
B
had painted
C
am painting
D
have been painting