The old man needs a        ___________stick _________more steadily.
#97158
A
to walk, to walk
B
walking, walking
C
walking, to walk
D
to walk, walking
推荐题目
 Mark lives in a big pleasant room ______ approximately 5 meters by 6 meters.
#89819
A
measures
B
measuring
C
to be measured
D
having measured
The officials discussed the plan _________ last week in today’s meeting. 
#90444
A
carry out
B
carrying out
C
to carry out
D
carried out
 The reason why Malaysia Airline Flight370 disappeared remained_____.
#88645
A
look into
B
to be looked into
C
looking into
D
to look into