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. 2.
It was ________ that the PLA men got to the earth-strike area.
“You say you __________ do this, but I say, you ________ do it!” said the boss.
He didn’t make ________ clear when and where the meeting would be held.
They look forward with hope ________ a chance to receive further education.
__in the regulations that you should not tell other people the password of your e-mail account.