--- Ouch! You stepped on my toe!--- I’m sorry, I didn’t __________.
#13223
A
mean to
B
mean to do
C
mean to have
D
mean to step
推荐题目
The farmers needed________agricultural technology. Therefore,      ________skilled workers were sent there.
#14430
A
a great number of, a large amount of
B
large amounts of, the number of
C
a large amount of, a great number of
D
the amount of, a great number of
Young students are ______ not to smoke both in and out school. 
#13060
A
suggested
B
requested
C
hoped
D
invited