He devoted all the time _____ his research .
#92715
A
to do
B
doing
C
to doing
D
did
推荐题目
The text is too difficult. The explanation of our teacher will help make it easy ________.
#88517
A
to understand
B
to be understood
C
understood
D
understanding
I hurried to the booking-office only _______ that all the tickets ______ out.
#88707
A
to tell ; sold
B
to be told ; had been sold
C
telling; had been sold
D
told ; was sold
Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?
#96031
A
to leave
B
left
C
leaving
D
leave