Even on holidays, he preferred doing something________
#94846
A
to sleep
B
sleeping
C
to be slpet
D
to sleeping
推荐题目
After the mew technique was introduced ,the factory produced ____in 2001 as the year before.
#94886
A
as twice many machines
B
twice many as machines
C
as many machines twice
D
twice as many machines
This problem is said _____ three times. 
#92660
A
having discussed
B
to have been discussed
C
having been discussed
D
to have discussed