Be careful when you ________ the street. The traffic is heavy.
#43393
A
go
B
cross
C
across
D
crossing
推荐题目
Tom likes playing _____volleyball, and his sister likes playing______ piano.
#37267
A
a; a
B
the ; the
C
不填;the
D
the ;不填
 — How old is his father?— He is thirty ________.
#36019
A
years
B
years old
C
old
D
year old