The water in rivers is even_________ than before. Something must be done now.
| A．dirty | B．dirtier |
| C．more dirty | D．Dirtiest |
Parents often ask their kids __ their internet friends because the kids may be in danger.
A. to meetB. not to meetC. meeting
It' s interesting that there are many people speak French in Canada.
A. which B. whereC. who
—I am too tired to walk any farther, Jack.
—______, Daniel. You can do it.
| A．No hurry | B．No problem | C．That’s all | D．Come on |
I don’t know ______ Apple iphone4s.
| A．that she is so crazy about |
| B．what is she so crazy about |
| C．why she is so crazy about |
| D．how she is so crazy about |
I hate people ______ talk much but do little.
| A．who | B．which | C．whose | D．whom |