——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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Unfortunately, when I arrived, Mary         , so we only had time for a few words.
#103471
A
was just leaving
B
just left
C
has just left
D
had just left
Kathy told me that all the doors and windows _______ when she arrived this morning.
#101604
A
have cleaned
B
have been cleaned
C
had cleaned
D
had been cleaned
Mr. Wang ____ two boys to send the sick boy to the nearest hospital
#101645
A
arranged
B
has arranged
C
had arranged for
D
has arranged for
George has arrived, but I did not know he ______ until yesterday.
#103817
A
comes
B
will come
C
is coming
D
was coming