28．___________a time in the 1960s when young people liked wearing army uniforms.
| A．It was | B．There was | C．It is | D．There is |
The police are trying to find out the ____ of the woman murdered in the bathroom．
| A．evidence | B．characteristic | C．status | D．identity |
—Didn’t the guard see him breaking into the bank?
—No, he ______ in the other direction.
| A．was looking | B．had looked | C．looked | D．is looking |
He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on.
| A．where; / | B．when; what | C．that; what | D．where; that |
With the word “PM2.5” _________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
| A．constantly | B．consequently | C．permanently | D．immediately |
Tom’s pay depends on ______ the factory.
| A．he plays in what part | B．he plays what part in |
| C．what part he plays in | D．in what part he plays |