I think________are old enough to make their own decisions．
| A．sixteen-year-old |
| B．sixteen-years-old |
| C．sixteen-years-olds |
| D．sixteen-year-olds |
In my opinion, he is the second _________sportsman in the world.
| A．great | B．greater | C．greatest | D．the greatest |
______man in _____old jacket is Mr Brown.
| A．A, the | B．The, a | C．The , an | D．The, the |
Reading is ______ good habit. Stick to it, and you'll make ______ great progress.
| A．a; / | B．a; a | C．the; a | D．/ ; a |
Americans eat vegetables per person today ______as they did in 1910.
| A．More than twice | B．As twice as many |
| C．twice many than | D．More than twice as many |
My friend Martin was very sick with a strange fever; _______, he could neither eat nor sleep.
| A．As a result | B．after all | C．Any way | D．otherwise |