问题
选择题
Mom read the instructions to find out ______ the computer.[ ]
A. what to use
B. how to use
C. why to use
D. when to use
答案
答案:B
Mom read the instructions to find out ______ the computer.[ ]
A. what to use
B. how to use
C. why to use
D. when to use
答案:B