— Lisa, we need to clean the kitchen. Could you _________ the trash?— Yes, sure.
I forgot to take the map. So I had difficulty ______the way. We had to ask the policeman for help.
She lives in a house,but she never feels .
Not only he but also his friend________to Yunnan every summer.
The new treatments________by Norman Bethune helped a number of soldiers.
Today,computers are really helpful.They________everywhere.