The old book there ______ some strange pictures in it. Nobody can understand them.
| A．are | B．is | C．has | D．have |
You won’t have the chance to succeed when you ________.
| A．gave up | B．give up | C．will give up | D．are giving up |
Don’t talk to me. My favorite pop star ________ on TV now.
| A．is singing | B．will sing | C．sings | D．sang |
--- ________ do you help your mother clean the house?
--- Once a week.
| A．How far | B．How long | C．How soon | D．How often |
Tina ________ England with her parents three years ago.
| A．visits | B．visited | C．will visit | D．has visited |
--- Must I hand in my report now?
--- No, you ________. You still have some time.
| A．shouldn’t | B．mustn’t | C．needn’t | D．can’t |