Almost all of his time ______ experiments, he has no time to visit his parents.
#72219
A
devoted to do
B
devoted to doing
C
devoting to doing
D
is devoted to doing
推荐题目
— Can you ______ this kind of plant? — Sorry, I’ve never seen it before.
#80691
A
call
B
tell
C
name
D
speak
Mary felt________from the outside world，since she lacked an Internet connection and couldn’t receive any email.
#64024
A
cut down
B
cut in
C
cut off
D
cut out
Please make sure all the lights are ______ before you go to bed.
#72596
A
turned on
B
turned down
C
switched off
D
switched on
I’m putting on weight. The doctor has warned me to sugar.
#66319
A
keep off
B
keep up
C
keep off
D
keep away