Life is like riding a bicycle. ________ your balance, you must keep moving.
#88762
A
Keeping
B
To keep
C
Keep
D
Having kept
推荐题目
 _________working all day long, he fell asleep as soon as he lay on the bed.
#89761
A
Getting tired of
B
Getting tired from
C
To get tried of
D
To get tired from
— Why did Lucy weep so sorrowfully? — She could not stand ____ like that before the whole class.
#97912
A
making fun of
B
to be laughed at
C
being made fun
D
being made fun of
 ______ the new life in Paris, I live happily with my daughter’s family.
#96906
A
Be used to
B
Accustomed to
C
Accustoming to
D
Having used to
To get a better view of the stage, ____________________.
#92486
A
our seats had to be changed.
B
our seats were changed
C
our seats are changed
D
we had to change our seats.