1. If you had_____________________ (聽從了我的勸告，你就不會陷入麻煩)
2. This leaflet tells you _______________________(怎么在旅行期間防止生病).
3. When I refused to move my car, he ______________________ (勃然大怒) and threatened to call the police.
4. The professor could hardly find sufficient grounds on which ______________________ (來支撐他的觀點).
5. We ______________________ (已投入所有的時間和精力)in this plan, and we don’t want it to fail.
1. followed my advice, you would not be in trouble now.
2. how to avoid getting ill while traveling
3. flew into a rage
4. to base his arguments
5. have invested all our time and effort