You shouldn’t leave the door _____when you go out.
#51136
A
close
B
closing
C
open
D
opening
推荐题目
 My mother has had the clothes _______already.
#49898
A
was washed
B
was washing
C
to wash
D
washed
My teacher used to _______ a bike to school, but now he is used to ________ a car to work.
#50647
A
ride, driving 
B
ride, drive
C
riding, drive
D
riding, driving
--- Why not_______ shopping now? --- Good idea!
#49502
A
go
B
goes
C
go to
D
going
Jane likes singing.We often hear her ______ after class. 
#49746
A
sing
B
to sing
C
sings
D
singing