When you go _________ the street, you must be careful.
#47521
A
crossing
B
cross
C
across
D
pass
推荐题目
What’s this         ? It’s a hat. 
#48261
A
in the English
B
in English
C
for English
D
at English
— Why did you go to London two years ago?— I went there with the aim of learning English.
#45776
A
to practice speaking
B
improving
C
in order to learn
D
in order that learn
 What ____ you like ____ breakfast?
#46597
A
do; to
B
would; to
C
would; for
D
do; doing