Some ______are ______their time to help the poor in underdeveloped countries.
| A．volunteer;volunteer | B．volunteers;volunteering |
| C．volunteering;volunteers | D．volunteers;volunteers |
—What were you doing when the UFO arrived?— I with my dog on the street.
| A．walked | B．was walking | C．is walking | D．have walked |
— I ran out of the money. Could I borrow some from you?
—Sorry, I have no money, ______.
| A．both | B．too | C．either ` | D．neither |
—Look at the picture on the wall. It ________be David’s.
—Yes, his name is on the first page.
| A．can | B．can’t | C．must | D．mustn’t |
— Could you please clean your room?—_________. I’ll do it at once.
| A．Yes, sure | B．Sorry, I can’t | C．It doesn’t matter | D．Here you are |
—Try to have a healthy lifestyle. It can help you get good ________.
— Thanks, I’ll do.
| A．classes | B．grades | C．gifts | D．grasses |