ou'd better _______all the lights are off before you go to bed.
| A．look through | B．find out | C．take care | D．make sure |
After the earthquake, many kind-hearted people did what they could ________ those who suffered from it.
| A．help | B．helping | C．to help | D．helped |
Japan and other countries have taken action ________ prevent nuclear radiation (核辐射).
| A．in order | B．in the order of | C．in order to | D．in order that |
— Kitty, there’s ________ cooking oil left in the kitchen. Would you please go to the supermarket and get ________?
— OK, Mum.
| A．little; some | B．little; any | C．few; some | D．few; any |
Chinese is becoming more and more popular. It ________ in many schools in foreign countries.
| A．teaches | B．is teaching | C．is taught | D．has taught |
— You speak French so well. How long have you learned it?
— ________ I was fifteen.
| A．Until | B．Since | C．When | D．Before |