| 1. Look! Your cat …. my rat.biteare bitingis bitingbitesbited
|
| 2. Look! …. are discussing.Steve JobsISheTheyThem
|
| 3. At this moment Jerry Yang …. to speak English with him.try
am tryingis tryingtryingare trying |
| 4. This month we …. anywhere.is not travellingam not travellingtravels
travellingare not travelling |
| 5. Many fish are …. because of dirty river.die
still dieingstill diesstill diestill dying |
| 6. What …. Ada Augusta doing now?isamarewerewas
|
| 7. We …. English at the moment.is not studyingare not studystudy
is not studyare not studying |
| 8. …. you still climbing?isamarewerewas
|
| 9. I …. to China tomorrow night.gois goingare goingwent
am going |
| 10. Listen! Somebody …. the door.is knockingknockknockingknocked
are knocking |