________ work has been done to improve the people’s living standard.
| A．A large amount of | B．A large number of | C．A great deal | D．A great many |
The Parkers bought a new house but ______ will need a lot of work before they can move in.
| A．they | B．it |
| C．one | D．which |
Will you see to _______ that my children are taken good care of while I am away?
| A．it | B．me |
| C．yourself | D．them |
You may depend on _______ that he will turn up in time.
| A．it | B．me |
| C．which | D．them |
“Excuse me, I want to have my watch fixed, but I can’t find a repair shop.” “I know ________ nearby. Come on, I’ll show you.”
| A．one | B．it |
| C．some | D．that |
I’ll see to _______ that all these letters will be sent to the post before twelve.
| A．it | B．me |
| C．which | D．them |