------- _______ you _______ the book ______ to the library yet. ------ Yes. I have.
#41873
A
Have ，returned，/
B
Have， returned， back
C
Did return ，/
D
Did， return，back
推荐题目
---- Look! Somebody_______ the sofa.---- Well, it wasn't me. I didn't do it.
#39251
A
is cleaning
B
was cleaning
C
has cleaned
D
cleaned
---Will you please stay here a little longer? ---Sorry, I . I eat dinner with my mother. She’s coming.
#41979
A
mustn’t; will have to
B
don’t; have to
C
can’t; had to
D
can’t; will have to
A lot of trees________ around here every year, and we can enjoy fresher air now.
#39126
A
were planted
B
are planted
C
will planted
D
are planting