—It is said that Jack is very rich and is always changing his private cars. What is he?—________, I am not sure.
Research _____ that over 81% of teachers are dissatisfied with their salary.
His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
Many wage earners in big cities find they may only have enough to ____ their houses, cars and other costs of living and have little extra money to invest.
As ___ matter of fact, it was her attitude towards ____life that moved us most.
----“Mountain climbing is an exciting sport.” ----“____ I like it very much.”