My pen-pal Andrew found ______difficult to learn Chinese well.
A. / B. that C. it
When did you get ___?
| A．home | B．to home | C．at home | D．the home |
This sewing machine is made ___ China.
| A．of | B．on | C．in | D．from |
I don’t think you can finish the work ____ my help.
| A．since | B．because | C．without | D．unless |
—How long has this bookshop been in business?
—_______ 1982
| A．After | B．In | C．From | D．Since |
—What are you doing?
I’m looking ___ the children. They should be back for lunch.
| A．after | B．at | C．for | D．up |