____ be careful when crossing the street!
#85481
A
Must
B
Should
C
Ought to
D
Do
推荐题目
It was along the Mississippi Rever ____Mark Twain spent much of his childhood.
#85318
A
how
B
which
C
that
D
where
It was not he took off his dark glasses I realized he was a famous singer.
#84815
A
when; that
B
until; that
C
until; when
D
when; then
--- Have you really been to visit the Bird’s Nest in Beijing? ---- I ______ it last summer vacation.
#84816
A
do visited
B
do visit
C
did visited
D
did visit
It was 300 hundred years ago _______ this historic temple was built by a wealthy Mandarin.
#84840
A
that
B
when
C
since
D
before
—What did he want to know,Anne?—_______I could finish writing the report.
#85161
A
When it was that
B
It was when that
C
It was when
D
When was it that