Our enemy bills have been increasing steadily. these costs,our telephone costs have doubled over the past six months.
I suggest they _______ at once. A. setting off B .to set off C. set off D have set off
There are three eggs _______ by the hen_______ under the tree.
Don’t worry. I’m sure you’ll succeed _______ if you work hard.
Many rules in English are ______, and large numbers of students feel ______ them.
He had to have the washing machine _________ last night.