If you have headaches often, you need _______ .
A. see a doctor B. seeing a doctor
C. to see a doctor D. not see a doctor
He wasn’t _____ to understand the questions.
A. quick enough B. enough quick
C. quick as D. quickly enough
The strong young man can swim ______ the river.
A. through B. across C. past D. though
The boss(老板) makes the workers _____ these machines(机器) for ten hours a day.
A. make B. to make C. making D. made
—Kangkang, will you _____ your photos _____me tomorrow? —OK.
A. show, for B. show, to
C. give, for D. buy, for
Early to bed and early to rise ______ a man _______.
A. make, health B. makes, health
C. make, health D. makes, healthy