— __________ did you pay for it?
— $10.
| A．How often | B．How many |
| C．How soon | D．How much |
You will fall behind the others ______ you start to work hard.
| A．since | B．if | C．until | D．unless |
— Excuse me. Is the museum open all day long?
— ______ , only from 9:00am to 5:00pm.
| A．Sorry, I’m not sure | B．Sorry, I’m afraid not |
| C．Yes, you’re right | D．I think so |
The student ______ his homework and handed it to the teacher.
| A．took out | B．came out |
| C．put out | D．went out |
Fruit is good for our health, so I like ______ for dessert.
| A．potatoes | B．hamburgers |
| C．bananas | D．candy |
— Who’s that young man on the poster?
— Jerry Smith, _____ European business man.
| A．an | B．a | C．the | D．/ |