-- I don't know you take a bus to school.
--Oh, I take a bus, but it is raining heavily today.
| A．hardly ever | B．often |
| C．sometimes | D．usually |
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 |
She's not strong enough walking up mountains.
| A．to go | B．going | C．go | D．went |