Look at this! It’s broken now! You __________ have been careful!
#89222
A
could
B
must
C
would
D
should
推荐题目
I didn't expect that so many people ___ to join in the work.
#89052
A
had offered
B
were offered
C
would offer
D
used to offer
One of the requirements for a fire is that the material ____ to its burning temperature.
#89339
A
is heated
B
be heated
C
would be heated
D
do heat