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
推荐题目
--Surfing first started on the islands of Hawaii, didn't it?--Yes, but now it ______ by people all over the world.
#41747
A
is enjoyed
B
is enjoying
C
has enjoyed
D
will enjoy
– Do you know if Cindy__________ to Italy this weekend?– Cindy? Never! She hates driving.
#36227
A
will drive
B
drives
C
is driving
D
drove
Our team ______ every match since April, but we still have three more games to play.
#41657
A
has won
B
will won
C
win
D
won
----______ you ever ________ Tom before ?---- No, I _____ him just two minutes ago.
#39934
A
Did, know ; met
B
Have, known ; have met
C
Have, known; met
D
Did, know; had met
I tennis with my cousin every day when I was in America.
#36317
A
play
B
played
C
had played
D
has played