| —Mum, can I go skating now? —Well, you may go after your homework _____. |
A. has finished B. will finish C. is finished D. was finished |
| The personal computer _____ in 1976. It has changed the whole world. |
A. has been invented B. is invented C. was invented D. invented |
| A lot of food _____ to that country after the war was over. |
A. was sent B. are sent C. is sending D. sent |
| Trees and flowers _____ every year to make our country more beautiful. |
A. is planted B. was planted C. are planted D. were planted |
| I often _____ books and my brother _____ TV every evening. |
A. read, see B. see, watch C. read, watches D. look, look |