附加题(选答,共10小题,每道题1分)1. Not having a good command of English can be a serious ________ preventing you from achieving your goals.
She a dress that she liked very much and bought it.
High school students spent money on newspapers and magazines in order to improve their grades.
He was just about to jump into the river luckily his guide saw him and stopped him.
The lecture on how to enjoy pop music is really worth .
This kind of work by hand, but now it is done by electricity.