Half of the class       done most of the work. The rest       rather difficult.
#50810
A
has, is
B
have, are
C
have, is
D
has, are
推荐题目
Something is wrong with my iPhone . I will get it       .
#48899
A
repair
B
repairing
C
to repair
D
repaired
It's a good idea ______ breakfast every day.
#48857
A
had
B
have
C
has
D
to have
--- Why not_______ shopping now? --- Good idea!
#49502
A
go
B
goes
C
go to
D
going
You shouldn’t leave the door _____when you go out.
#51136
A
close
B
closing
C
open
D
opening