______ you are at home alone, please don’t leave the door open.
| A．While | B．As |
| C．Before | D．How |
—I am wondering if we could go boating on the weekend.
—It a good idea.
| A．sound | B．sounded | C．sounding | D．sounds |
---Did Tom win the 200-meter race at our sports meet?
---Of course not. I’m a poor runner and he did _______ than I.
| A．as well as | B．no better | C．no worse | D．not better |
After the new technique was introduced，the factory produced in 2001 as the year before．
| A．as twice many machines | B．twice many as machines |
| C．as many machines twice | D．twice as many machines |
To our surprise, we got ______ people to attend the meeting as we expected.
| A．as twice | B．twice many | C．twice many as | D．twice as many |
—Wow， your house is so big！
—Yes， it’s three times yours.
the size as B. more than C. bigger as D. bigger than