Mr. Wang told us that he would devote all the time he could spend _______ his oral English before going abroad.
#11654
A
improve
B
to improve
C
improving
D
to improving
推荐题目
The manager promised to keep us _____ of how our business was going on. 
#13466
A
informed
B
informing
C
being informed
D
to be informed
The road _______ 20 kilometers in length leads to a beautiful village. 
#11258
A
measured
B
to bemeasured
C
measuring
D
measures