Sam likes trekking_______the jungle, because he thinks it's exciting.
| A．over | B．under | C．across | D．through |
_______15th International Film Festival will be held in Shanghai.
| A．The | B．An | C．A | D．\ |
—I'm doing a survey. Could you tell me ______?
—Sure. I usually go to work at 7:00 am.
| A．why you go to work |
| B．how you go to work |
| C．when you go to work |
| D．who you go to work with |
—How often do the students play sports?
| A．Twice a day | B．Since last night | C．For two hours | D．A month ago |
Kevin will give less homework to his students if he ______ a teacher.
| A．becomes | B．become | C．became | D．becoming |