Write_______ and try not to make any mistakes.
A. as carefully as you can B. as careful as possible
C. more careful D. as careful as you can
Talk to your teacher and you will get help ________ you have a problem.
A. if B. so C. until D. unless
Mr. Black used to be busy. But now he’s retired and , so he has plenty of time to exer cise.
A. hard B. calm C. free D. nervous
My grandpa is going to be years old this year. He will have his birthday party this Saturday evening.
A. sixty, sixty B. sixty, sixtieth
C. sixtieth, sixty D. sixtieth, sixtieth
—Will you get there by ________bike? —No, I will take ________bus.
A. the, a B. a, the C. the, / D. /, a
The young has over twenty .
A. inventor, inventors B. invention, inventions
C. inventor, inventions D. invention, inventors
