Mr. and Mrs. Black ______ back _________.
#41874
A
hasn’t come, yet
B
haven’t come , yet
C
haven’t come, already
D
hasn’t come , already
推荐题目
These boxes ______ for keeping the food clean and cool.
#39501
A
use
B
are used
C
have used
D
were using
The Reads __________ lunch when I got to their house. 
#36346
A
was having
B
were having
C
are having
D
is having
I have been to London. I ____________ there last month.
#39948
A
go
B
went
C
have gone
D
will go
I won’t go to see the movie tonight, because I          my ticket.
#36734
A
lose
B
have lost
C
will lost
D
didn’t lose