By the time you have completed the essential training, you _____ exposed to virtually every new feature of the course．
#103085
A
are
B
will have been
C
have been
D
will be
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
--I have you asked John to come to the party this evening？--Yes，I have，but he＿＿＿＿
#100482
A
doesn't
B
hasn't
C
hadn't
D
won't
---Have you seen my e-mail about our TESL, project?---Yes. Luckily, I checked my e-mails yesterday. Normally, I my e-mail-box for days.
#100614
A
haven’t opened
B
didn’t open
C
hadn’t opened
D
don’t open