If you don’t study English all the time, you’ll have a difficult time ____ it in the future.
#50597
A
studying
B
to studying
C
studied
D
be studying
推荐题目
What should I do, doctor? ________ healthy , you should take more exercise.
#48682
A
Keep
B
Keeping
C
To keep
D
Kept
Mary likes ___________, but I ________listening to pop music.
#50309
A
dance; enjoy
B
dancing; enjoy
C
dance; enjoys
D
dancing; enjoys
——would you like somewhere__________?——No, thanks. I have a big room ________.
#48887
A
live ,live
B
to live , to live
C
living, to live
D
to live , to live in