We were badly treated in the hospital.
Don’t worry.The president has promised to ______ your complaint at once.
A．look up B．look into C．look back on D．look forward to
It is usually not quite cold in this area in March，but sometimes temperature ______ low.
A．should B．must C．can D．shall
Jack was once a common name， ,I think, that is seldom chosen nowadays．
A．it B．one C．who D．which
-The weather isn’t good enough for an outing，is it?
-To much dust．We can’t have at this time of the year．
A．a worse day B．a worst day C．a nicer day D．a best day
Subway Line 4， into use in September 2009，has made traveling in Beijing easier．
A．having been put B．putting C．being put D．put
-Tom，you are smoking again?
- ? It’s none of your business．
A．Why not B．what for C．So what D．How come
