His father told him ________ his best friend to dinner this Sunday.
| A．invite | B．ask | C．to invite | D．asking |
Sally took a photo of her friends while they computer games.
| A．play | B．are playing |
| C．have played | D．were playing |
When I came here just now, I saw he _______with a black and white dog in the garden.
| A．play | B．to play | C．was playing | D．plays |
—You were out when I dropped by your house.
— Oh, I_________ in Zhongbai Supermarket with my parents.
| A．was shopping | B．had shopped |
| C．am shopping | D．have shopped |
—I forgot to bring my dictionary. Could I use yours? — Yes, you _______.
| A．can | B．must | C．could | D．should |
My father is able to _______many different kinds of computers.
| A．look up | B．take up | C．fix up | D．clean up |