Where Tom ?
-Look ! There is a hole the wall. The mouse must run away from here.-I think so. If there is not a picture the hole, we can easily find it.
-Is it cheaper and enjoyable to travel by train than by plane?-Yes, I think so.
-Your English is very good. Who taught English?-Nobody.I learned it by .
-Maria, can you tell me what the says on the bottle of medicine?-It says that the patient should take the medicine twice a day.
-Do you know lady in red?-Yes, I know her well. She is my neighbor, university professor.