60. The ship changed its course _____ there was a storm.
A. on account of B. but
C. because of D. because
59. All ______ is a continuous supply of fuel (燃料) oil.
A. what is needed B. that is needed
C. the thing is needed D. for their needs
59. If we work with a strong will, we can overcome any difficulty ______ great it is.
A. what B. how C. however D. whatever
58. An order has come from Berlin ______ no language but German may be taught in the school.
A. what B. that C. whether D. when
57. Every one was glad to hear the news ______ we had passed the test.
A. what B. that C. which D. if
56. Would you like a cup of coffee ________ shall we get down to business right away.
A. and B. then C. or D. otherwise
55. Show them ________.
54. She thought I was talking about her daughter, _____, in fact, I was taking about my daughter.
A. whom B. where C. which D. while
53. _______ they are discussing now is ____ they should let Tom know that.
52. -Do you remember _____ he came?
-Yes, I do, he came by car.
A. how B. when C. that D. if