Mr.Brown gradually _____ a knowledge of the subject.

[单选题]I was worried about my maths, but Mr.Brown gave me an A._________。A.Don't w

[单选题]______,Mr. Brown saw the washing machine which had been repaired go wrong again.A． To his surpriseB． It was surprisedC． SurprisingD． By surprise

[单选题]1． Mr Brown is Tom's ___________A． motherB． auntC． sisterD． father

[单选题]5． —His Mr Brown living here?—No，he moved_________ last week．A． to somewhere elseB． somewhere elseC． to else somewhereD． else somewhere

[单选题]10，—Excuse me，is this Mr Brown's office?—I'm sorry，but Mr Brown _______ works here． He left about three years ago．A． not nowB． no moreC． not stillD． no longer

[单选题]Can I speak to Mr. Brown, please?- Yes, _________A.this is me.B.I am Mr. Br

[单选题]I was worried about my maths, but Mr. Brown gave me an A. _________.A.Don't

[单选题]The introduction of gunpowder gradually made the bow and arrow _______ , particularly in Western Europe.A． obscure B obsolete C optional D overlapping

[单选题]The author gradually realizes her mother’s English is _____.A． well structuredB． in the old styleC． easy to translateD． rich in meaning

[单选题]The author gradually realizes her mother’s English is（ ）A． well structuredB． in the old styleC． easy to translateD． rich in meaning