. When the teacher came in, the student pretended ________ his lessons.
My cousin doesn’t know what to ________ at the university;he can’t make up his mind about his future.
—My sister is a typist at a foreign firm.—I know this sort of job ________ skill and speed.
He is such a man who is always________ fault with other people.
It is wise to have some money ________ for old age.
—Smoking is bad for your health.—Yes,I know.But I simply can’t ________.