Public signs keep ________ from danger.
A. us safe B. ourselves safety
C. us safety D. ourselves safe
If you try to do many things______, you’ll become tired out.
A. at a time B. all the time
C. some times D. at times
Would you like to tell us something about what a doctor’s life ______?
A. like B. is like
C. likes D. look like
The old man was _______angry _____ a word. He didn’t say anything.
A. enough ; to say B. so ; saying
C. very; to say D. too ; to say
It is such that you must on it.
A. hard work; work hard B. a hard work; hard work
C. work hardly; work hard D. hard work; work hardly
Middle school students _________ smoke because it is bad for their health.
A. needn’t B. couldn’t
C. shouldn’t D. may not
