(单选题)17: The way ______he looks at problems is wrong. A: which B: whose C: what D: / ...

(单选题)5: I have two grammars, ______are of great use. A: all of which B: either of which C: both of that D: both of which ...

(单选题)1: My neigh bours used to give me a hand in time of trouble, _______ was very kind of them. A: who B: which C: that D: it ...

(单选题)2: It is pretty well understood _________ controls the flow of carbon dioxide in and out the atmosphere today. A: that B: when C: what D: how ...

(单选题)21: _____ you like to have a walk with us this evening? A: Did B: Would C: Should D: Can ...

(单选题)15: On my way home， I stopped _______ some food. A: buy B: to buy C: buying D: bought ...

(单选题)3: This programmer will examine the writer's books in detail, _______ an introduction to her life. A: following B: being followed C: having followed D: to be followed ...

(单选题)17: _______ neglecting our education, my father sent my brother and me to a summer school. A: Accused of B: Accusing of C: That he was accused of D: To be accused of ...

(单选题)24: _______ for many years, the writer suddenly became famous. A: Having ignored him B: To be ignored C: To have been ignored D: Having been ignored ...

(单选题)12: The sitting-room needs _______， but it’ll have to wait until Saturday. A: be cleaning B: to be cleaned C: clean D: being cleaned ...