The food safety is a serious ________ in our country．We should try to solve it．
| A．subject |
| B．program |
| C．problem |
| D．opinion |
我的衣服是小号，爸爸的衣服是大号，妈妈的衣服是中号，依次用英语表示是___.
| A．L, S, M | B．S, XL, L | C．M,L, XL | D．S, L, M |
Good morning! ______________.
| A．Good morning! | B．Good evening! |
| C．Good afternoon!. | D．Hello. |
They ________ for twelve hours a day.
A. eating B. eats C. eat
We say thank you ________ all the good _______ we have.
A. for, thing
B. from, things
C. for, things
Have you got ________ stamps from China?
A. any B. some C. a