Work hard at your lessons, ______ you’ll fail the exams again.
| A．and | B．but | C．or | D．which |
Karl, a real book lover, often brings home many books to read ____ the library.
| A．in | B．for | C．by | D．from |
--- _____you interrupt now? Can't you see I'm on the phone?
--- Sorry Sir, but it's urgent.
| A．Must | B．Should |
| C．Can | D．Would |
The reason____ Spielberg could not go to the Film Academy was his grades were too low.
| A．that; that | B．why; that |
| C．why; because | D．that; because |
Evidence has been found through years of study_____children's early sleeping problem is likely to continue when they grow up.
| A．why | B．how | C．whether | D．that |
Before you quit your job, ______how your family would feel about your decision.
| A．consider | B．considering |
| C．to consider | D．considered |