–Mom, I don’t know which piece of cake belongs to me.
--Well, my dear. They are _______ the same, you may take _______ half.
| A．both ; every | B．all ; any |
| C．both ; either | D．all ;either |
Mr. Li will go to Guangzhou by air. His workmates are ______ at the airport.
| A．turning him off | B．seeing him off | C．taking him off | D．putting him off |
The computerin 1946 in America.
| A．is invented | B．was invented | C．invents | D．invented |
—Why are you so happy today?
—Because I to London with my parents tomorrow.
| A．fly | B．am flying | C．have flown | D．flew |
The policeman told us __________ the street when the traffic light was red.
| A．not cross | B．didn’t cross | C．not crossing | D．not to cross |
—You should ________ your son. He works harder than before.
—Thanks, I will.
| A．praise | B．punish | C．prevent | D．beg |