Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.
#101966
A
work
B
working
C
is working
D
are working
推荐题目
—How did she get infected?  —She ____ the viruses without any protection.
#101750
A
exposed to
B
had exposed to
C
was exposed to
D
has exposed to
—Do you know where Mary is?—No, I don’t. I ______ her since last Sunday night.
#100839
A
haven’t seen
B
didn’t see
C
won’t see
D
don’t see
 I don't think she ____what happens to her children.
#99023
A
cares to
B
cares about
C
cares for
D
takes care of