Mr. Bush is on time for everything. How _____ it be that he was late for the opening ceremony?
#4839
A
can
B
should
C
may
D
must
推荐题目
.What some teenagers don’t realize is ____ difficult life can be if they get addicted to drugs.
#4789
A
how
B
what
C
that
D
why
Was it in the waiting room ______ only allows mothers-to-be to enter that you lost your wallet?
#4961
A
/
B
where
C
that
D
when
American English has changed ________ time. There are several reasons ________ this.
#4632
A
over; for
B
for; with
C
in; of
D
during; about
The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.
#4983
A
what
B
who
C
that
D
which
The meeting was expected to start at 9 o'clock but the manager didn't turn up ______ twenty minutes later.
#5014
A
before
B
until
C
after
D
since