—Where is my little dog?—It the back of the house．
#42017
A
has gone to
B
had gone to
C
has been to
D
had been to
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
—__________ if they have the party today?—Half the class won’t come.
#40565
A
What happens
B
What happened
C
What will happen
D
What happen
The director wants to make sure no one will solve the mystery until it ________ at the end of the horror film.
#38260
A
is explained
B
will be explained
C
explains
D
has explained
—How long _______home?—For about three months.
#41673
A
have you been away from
B
did you leave
C
have you left
D
are you away from