—What’s the matter with you? You look so worried.
-- I don’t know ___________ the problem.
| A．what to solve | B．how to solve | C．to solve what | D．how can I |
– What about watching a horror movie after finishing the work?
– Are you kidding me? I don’t want to get before going to sleep.
| A．nervous | B．bored | C．relaxed | D．scared |
Do you notice the strange noise of the computer? Maybe _____ is wrong with it.
| A．everything | B．anything | C．nothing | D．something |
Don’t touch the machine_________ the teacher allows you to.
| A．if | B．unless | C．since | D．that |
Classical music has _____ lasting value while folk has _____strong local colour.
| A．a; a | B．an; a | C．a; / | D．an; / |
Jane’s mother preferred _______TV at home to ______to the concert.
| A．to watch, go | B．to watch, going |
| C．watching, go | D．watching, going |