Life is like riding a bicycle. ________ your balance, you must keep moving.
#88520
A
Keeping
B
To keep
C
Keep
D
Being kept
推荐题目
The problem requires ______.
#97533
A
studying with great care
B
to study carefully
C
to be studied without carelessness
D
taking great care of studying it
On December 26, 2004, a terrible tsunami happened in the Southeast Asia, _________ many people.
#92627
A
killing
B
had killed
C
killed
D
having killed
The lake by the village is believed ______ a number of victims in the past 3 years.
#91315
A
to claim
B
to have claimed
C
claiming
D
being claiming
Why pleasant smells do not reduce pain in man is a question still _______ by scientists.
#97245
A
answered
B
being answered
C
to be answered
D
that answered
Do you feel like _____ out or would you rather that the two of us _____ dinner at home?
#97281
A
going; to have
B
to go; are going to have
C
to go; having
D
going; had