______ the teacher has given permission, ______allowed to use the equipment in the lab.
| A．Only if, are the students | B．If only, the students are |
| C．If only, are the students | D．Only if the students are |
Dr. Smith, together with his wife and daughters, visit Beijing this summer.
| A．is going to | B．are going to | C．was going to | D．were going to |
We looked forward to _______ at eight in the morning, but he didn’t turn _______ until 9 o’clock..
| A．his coming; up | B．his coming; in | C．he came; down | D．he came; in |
Mrs. Taylor has______ 8-year-old daughter who has_____ gift for painting
--- she has won two national prizes.
| A．a; a | B．an; the | C．an; a | D．the; a |
The teacher called Tim’s mother __________ what he had done in the test.
| A．because of | B．because | C．since | D．as |
She is also 25 and a native of Beijing, but the ______ between us ends there.
| A．difference | B．advantage | C．disadvantage | D．similarity |