．Parents’ opinions on studying abroad differ greatly _____their children’s ____their aims．
| A．in; from | B．from; in | C．from; about | D．in; on |
________ Pierre began to help his father with the farm work when he was
| A．In 1980’s; his teens | B．At the 1980’s; the teens |
| C．In the 1980s; in his teens | D．In 1980’s; in the teens |
— can I do with such a situation?
—Take ________ measure you consider best.
| A．How; whichever | B．What; whatever | C．How; whatever | D．What; whichever |
It won’t be ______he______ up with others.
| A．long until; will catch | B．long ago; catches |
| C．before; catches | D．long before; catches |
— Hi, Tracy, you look tired.
I am tired. I_______ the living- room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |
— Did Mike call ______you yesterday?
— No, but this morning he called _______my office.
| A．at; on | B．on; on | C．at; at | D．on; at |