He had to help his parents ________ on the farm on weekends.
| A．work | B．working |
| C．works | D．worked |
— _______ have you lived in Wuxi?
— Since I was born.
| A．When | B．How soon | C．How often | D．How long |
I bought _______ English-Chinese dictionary. _______ dictionary is very useful.
| A．a; the | B．the; a | C．an; a | D．an; the |
The elderly should _________ politely. Also, they must ___________ well.
| A．speak, take care of |
| B．be spoken, be taken care |
| C．be spoken to, be looked after |
| D．be spoken to, be taken care of |
My cousin has _______ Project Green Hope since two months ago.
| A．joined | B．taken part in | C．been in the | D．been a member of |
This magazine ______ out _____ the morning of March 1st.
| A．came, in | B．came, on | C．was come, in | D．was come, on |