Ｉdidn’t go to bed _______ I finish my homework.
| A．after | B．when | C．if | D．until |
—What color is the T-shirt?
—It’s ____.
| A．an orange | B．orange |
| C．the orange | D．new |
—Is it your dress?
—No. It’s ____.
| A．hers | B．her | C．my | D．him |
—We really shouldn’t use plastic bags any more when shopping.
—_____ It’s important to protect our environment.
| A．So do I. | B．With pleasure. |
| C．That’s OK. | D．So it is. |
—Our country _____ progress in science and culture in recent years.
| A．made such | B．has made such |
| C．made so | D．has made so |
—What did our geography teacher say?
—She told us that the earth _____ around the sun.
| A．moves | B．moved |
| C．has moved | D．was moving |