After an 8-week summer vacation, students usually ____ some weight when they return to school.

The teacher was___ a very old man, but in fact he was only a little over fifty

My parents had to sell the old house for my further study abroad even though it wastheir own wishes.

Both your salary level and your cost of living can be_________ if you move to another city, so you’d better think It over before you make a final decision.

127. Snakes are _________blooded animals while cats are_______-blooded ones