这几个从句的题怎么做,要详解1.The old tower must be saved,_________the cos

这几个从句的题怎么做,要详解
1.The old tower must be saved,_________the cost.(Zhejiang 2005）
A．however B．whatever C．whichever D．wherever
2.What a table!I’ve never seen such a thing before.It is it is long.
A．half not as wide as B．wide not as half as (Hubei 2005)
C．not half as wide as D．as wide as not half
3.You should try to get a good night’s sleep much work you have to do.
A．however B．no matter C．although D．whatever (Hubei 2004)
4._______ I can see,there is only one possible way to keep away from the danger.
A.As long as B.As far as C.Just as D.Even if (Beijing 04 spring)
5._____ modeling business is by no means easy to get into,the good model will always be in demand.A.While B.Since C.As D.I (2004 Zhejiang)
6.Several weeks had gone by ______I realized the painting was missing.(NMET2004-4)
A.as B.before C.since D.when
7.You can eat food free in my restaurant ____ you like.(Chongqinog 2004)
A.whenever B.wherever C.whatever D.however
8._______ I know the money is safe,I shall not worry about it.(2003Beijing)
A.Even though B.Unless C.As long as D.While
还有几个题
9.Someone called me up in the middle of the night,but they hung up ____I could answer the phone.A.as B.since C.until D.before
10.The WTO cannot live up to his name ___it does not include a country that is home to one fifth of mankind.(NMET 2000)
A.as long as B.while C.if D.even though
11.It is generally believed that teaching is ______ it is a science.(NMET 2001)
A.an art much as B.much as an art as
C.as an art much as D.as much an art as
12.The men will have to wait all day ______the doctor works faster.(2001spring)
A.if B.unless C.where D.that
13.-Did you remember to give Mary the money you owed her?(2001spring)
-Yes,I gave it to her ____I saw her.
A.while B.the moment C.suddenly D.once