It’s two and a half weeks since the exchange students __________ Wuxi.
#41945
A
arrived
B
reached
C
have been in
D
have arrived in
推荐题目
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
#38768
A
explains ; to
B
has explained ; for
C
has explained ; to
D
explained ; with
 We ___________ for a long time. Shall we play for a while?
#38820
A
study
B
Studied
C
have studied
D
are studying
Maria          wear a dress at the party yesterday.
#39665
A
is supposed
B
is supposed to
C
was supposed to
D
should to