I can ride ________ bike but I can’t ride __________ horse.
| A．the; / | B．the; a | C．/; / | D．a; a |
Try on this red skirt; you will look great ________it.
| A．on | B．by | C．in | D．for |
—Will someone go and get Dr White?
—He’s already been _________.
| A．asked for | B．sent for | C．called off | D．looked for |
My parents have promised to come to see me before Ifor Africa.
| A．have left | B．leave | C．left | D．will leave |
I can be a teacher. I’m not a very patient person.
| A．seldom | B．ever | C．never | D．always |
— It’s the office! So you know eating is not allowed here.
— Oh, sorry.
| A．must | B．will | C．may | D．need |