Mary couldn’t make herself _______ attention to because her classmates made so much noise.
#94709
A
paid
B
to pay
C
pay
D
paying
推荐题目
(2009宁夏银川模拟) In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets. 
#95057
A
that some scientists say
B
in which some scientists say
C
some scientists say that
D
some scientists say
The invention of spaceships makes ________ human beings to travel to the moon.
#94143
A
that possible for
B
it possible for
C
it likely of
D
that probable of
It is the second time that I ____ in Shanghai. What great changes! It’s years since I ____ here last time.
#92644
A
went; had left
B
had been; left
C
have; had left
D
have been; left