The most obvious reason why computer-based testing is becoming increasingly popular is that it makes tests easier ______.
#90494
A
take
B
taking
C
to take
D
taken
推荐题目
The project, ______ by the Chinese engineers, was built in only two years.
#91285
A
designing
B
designed
C
to be designed
D
being designed
In later years, people reported ____ a monster swimming across the lake.
#94741
A
to see
B
have seen
C
seeing
D
to have seen
________ his lessons , he failed in the exam. 
#90060
A
Not reviewing
B
Having not reviewed
C
Not reviewed
D
Not having reviewed