Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
#97943
A
to clean, needn’t
B
cleaning,don’t
C
clean, aren’t
D
cleaned, can’t
推荐题目
Every morning he gets up early and practises ______ and then _____ to school.
#97526
A
to read English, go
B
reading English, going
C
reading English, goes
D
of reading English, goes
Gunpowder is generally believed __________ in ancient China.
#95910
A
to have invented
B
being invented
C
to have been invented
D
having invented