He walked down the hills, and ________ softly to himself.
#100068
A
sing
B
singing
C
sings
D
was singing
推荐题目
Is this the first time that you _____ here?
#103342
A
visit
B
are visiting
C
had visited
D
have visited
－Oh, it’s you, Steve! I ________ you. －No surprising. I’ve just had my hair cut.
#104757
A
don’t recognize
B
haven’t recognized
C
didn’t recognize
D
hadn’t recognized
At present, one of the apartments in favor of the new airport ________ that it will going a lot jobs to the area.
#104947
A
is
B
are
C
will be
D
were
.---David. I’ve lost my keys again. ---Here, not again！You______ your keys.
#103868
A
always lost
B
always lose
C
are always losing
D
had been losing
--- I haven’t seen Mary recently. And you?--- Me neither. I’m afraid she _________ to her experiment for too long a time.
#102197
A
is devoting
B
was devoted
C
has been devoting
D
has been devoted