Students should pay attention to __________ the teacher in class.
#50928
A
hear
B
listen to
C
listening to
D
hearing
推荐题目
Your backpack is in the________ case.
#51112
A
lost and found
B
found and lost
C
lose and found
D
find and lose
You can’t imagine what difficulty we had________home in the snowstorm.
#50145
A
walked
B
walking
C
to walk
D
walk
The robot needs _______ once a month. And we will check it for you for free.
#48844
A
to check
B
checked
C
checking
D
to checking