Before you leave the lab, the doors and windows ____shut in case of rain.
#103452
A
is
B
are
C
is to be
D
are to be
推荐题目
It is said that the book _________ many events that can’t be found in other books.
#101782
A
covers
B
writes
C
prints
D
reads
--- Tony, you must have noticed the student who broke the glass． --- I’m sorry．I attentively．
#102300
A
studied
B
was studying
C
am studying
D
would study
–Why do you know so much detail about the accident? --I ________ a walk nearby when it happened.
#99509
A
had
B
had had
C
was having
D
would have
Mary went to the box office at lunch time, but all the tickets __________ out.
#101058
A
would sell
B
had been sold
C
have been sold
D
was selling