If you feel tired and sick of fat foods, that is _______ you have to go to the hospital for a medical examination.
| A．why | B．what | C．when | D．whether |
—Have you worked here since you graduated?
—No, I ____________at a factory in Beijing for six years.
| A．would work | B．have worked | C．had worked | D．worked |
—Who is making so much noise in the garden?
—___________ the children.
| A．There are | B．They are | C．That is | D．It is |
The manager spoke highly of such ___________ as loyalty, courage and truthfulness shown by his employees.
| A．virtues | B．features | C．properties | D．characteristics |
“My boy, do remember to leave things _____ you can find them again.
| A．where | B．when | C．then | D．there |
I found my new school quite different from _____ I had studied in before.
| A．one | B．that | C．the one | D．it |