---Hey, Tom. Let’s go swimming.---Just a moment. I ______ a message.
#39166
A
send
B
sent
C
am sending
D
have sent
推荐题目
Great changes ________ in China since the People’s Republic of China _________ in 1949.
#36363
A
have taken place; was founded
B
has taken place; was founded
C
have been taken place; founded
D
took place; founded
We __________ in the same school since three years ago.
#38230
A
study
B
were studying
C
will study
D
have studied
-I'm so sorry that you didn't win the skating marathon.-How long _____ you ______?-I skated for 5 hours.
#39817
A
have, been skating
B
were, skating
C
have you skated
D
did, skate
