1.it was not until she look off her dark glasses that i ___(recognize)the she was a famous film star.
2.the doctor said,"why not ___(try,take)exercise to lose weight?
3.Charles Cabbage is generally considered ___(invent)the first computer
4.___(determine)to give up smoking,he threw away his ___(remain)cigarettes.
5.on the wal ___(hang）twolarge portraits
6.it will be one and a half years before we ___(graduate)from the seniow high school.
7.whenever he was ased why he was late for class,he would answer carelessly.always ___(say)the same thing.
8.it remains ___(see)wheter jim will be fit to play in the finals.
9.the american Civil War ___(last)four years befre the North won in the end.
10.i always take something to read when i go to the doctor's in case i___(have)to wait.