The moment he came into his room, he ______ something wrong, though he couldn’t tell.
We went right round to the west coast by ______ sea instead of driving across ______ continent.
Have you heard ______ news?The piece of _______ petrol is going up again!
Students should be encouraged to use _____ Internet as _________ resource.
It’s not _________ good idea to drive for four hours without _________ break.
My neighbor asked me to go for _________ walk, but I don’t think I’ve got _________ energy.