Question

the professor has written

26.1) The professor has written another book,_____ of great importance to computer science.
2) The professor has written another book,_____ of great importance to computer science.
A.which I think it is.B.and I think it is.C.which I think is.D.when I think is
27.1) --- Where do you think _____ he _____ the computer?
--- Sorry,I have no idea.
2) --- Where on earth _____ he _____ the computer?
--- Sorry,I have no idea.
A.had,bought.B.has,bought.C.did,buy.D./,bought.

Answer 1

26.1)C
27.1)C
2)C
上面的三个问题其实都在考插入语,象26题中的I think以及27题中的do you think,on earth等都为插入语,在做此类题时可以把他们忽略掉,因为他们都不影响正常的语序语法.

Answer 2