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
We are invited to a party _________in our club next Friday.
#98964
A
to be held
B
held
C
being held
D
holding
The boy wanted to ride his bicycle in the street, but his mother told him___________ .
#94476
A
not to
B
not to do
C
not do it
D
do not to
Not until Jane got off the bus did she find her wallet______.
#97102
A
missed
B
missing
C
losing
D
miss
The sun began to rise in the sky, ________ the mountain in golden light.
#90731
A
bathed
B
bathing
C
to bathe
D
have bathed