. ----Peter, where did you guys go for the summer vacation?----We________ busy with our work for months, so we went to the beach to relax ourselves.
—What kind of party is it? Need we __________? —Yes. It's a very formal occasion.
Increase the temperature of the gas and the gas will tend to __________.
He exists __________ bread and water.
His whole school education __________ only 2 years because of his illness.
Please __________ the money and I'm sure it will __________ more than 1, 000 Yuan.