As a reporter, you should first decide what events ____ before you make some interviews.
.Have you sent that letter off yet? There’s something important I’d like to add ______ it.
Living in a house on a mountain top ______ be rather cold, especially in winter.
_______ a reply from Mabel, Jack sent another e-mail to her.
The question under discussion here is ______ of the "white pollution".
第二节:单项填空(共15小题,每小题1分,满分15分) I hate _______ when someone calls or knocks at the door while I’m still in bed.