--- Look! What's in_______ sky?
--- Oh, it's _______ UFO. I wish I could fly in_______ space some day.
| A．the; an; / | B．/; a; the | C．the; a; / | D．/; an; / |
Watching TV too much ________bad for you eyes.
A. are B. was C. is
Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.
A. mustn’t B. had better C. needn’t
—Could you please ________us some stories? —OK.
A. say B. talk C. tell
My uncle says that it’s his duty ________the patients.
A. save B. to save C. saving
As we know, ________ is good exercise and it is necessary for health.
A. walk B. walks C. walking