He will take up _______ ones if he has a lot of different tasks to choose from.
When first to the market, these products enjoyed great success.
There is cooking oil left in the house. Would you go and get .
--I haven’t heard from John for a long time. --What do you suppose to him?
The reporter said that the UFO east to west when he saw it.
Many countries are increasing their use of natural gas, wind and other forms of .