--I can’t solve the math problem because it is too difficult. What should I do?
-- _________ ask the teacher for help?
A. How about B. What about C. Why don’t you D. Why not you
I really ________ Tina, we haven’t seen each other for about three years.
A. miss B. feel C. join D. choose
Sometimes we can hardly understand foreigners because they speak too _______.
A. slowly B. clearly C. quickly D. easily
I think _______ should be allowed to choose their own clothes.
A. ten-year-old B. ten-year-olds C. ten-years-olds D. ten-years-old
We should go to school at 8:00 o'clock _________school mornings．
A．on B．in C．at D．of
English is___ useful language because people in many countries are using it.
A. a B. an C. the D. /
