I came in tired and happy and badly in need_____ a bath. However, my elder brother insisted there wasn’t much need______ one

  A. of; for    B. for; of     C. for; for    D. of; of

I came in tired and happy and badly in need_____ a bath. However, my elder brother insisted there wasn’t much need______ one

  A. of; for    B. for; of     C. for; for    D. of; of

People have lots of problems living in the central Australian desert, ____ the lack of water is the most serious one.

   A. of which       B. which        C. for which      D. where  

Find out a mistake in the following sentence and correct it（找出句中错误，并改正）：

One( A ) of the commonest cause( B ) of traffic accidents( C ) is that( D ) people don't  obey traffic rules.

—My dress is made __________ silk. What about yours?

—Mine is made __________ Mum’s old one.

A. of; from　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　   B. from; of

C. of; of　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　   D. from; of