a
选择A
attend to:
vt. 注意(留意,专心于,照料)
例句与用法:
1. She didn't attend to what I was saying.
她对我所说的话未加注意。
2. Mind you, face forward and attend to the teacher!
请注意，把脸掉向前方，听老师讲话。
3. Attend to the teacher, or you'll never learn anything.
注意听老师讲课，否则，你永远也学不到什么东西。
4. Attend to your teacher.
注意听你老师所说的话。
5. I have my business to attend to.
我有事要料理。
6. Could you attend to (ie deal with) this matter immediately?
你能不能立刻处理这件事?
7. Attend to your work and stop talking.
专心工作, 不要说话.
attend on:
照顾,侍候
例句与用法:
1. The nurse attends on the patient as if he were her father.
这护士照顾这位病人彷佛在照顾她爸爸似的。
2. She had three servants attending on her.
她有三个仆人在侍候她。
3. He was so ill that two nurses attended on him.
他病得那样重，有两个护士照顾他。
attend (in)参加，出席
应该是A
D.on
B. in
A