—Could you please ________ your schoolbag? It’s too dirty. —Sure.
A. washed B. washing C. wash D. to wash
—Excuse me, I ______ find my hotel.
—You could ask the policeman.
A. can’t B. mustn’t C. needn’t D. shouldn’t
My friend Tom volunteered ______ in the countryside two years ago.
A. to work B. work C. working D. works
The girl is ______, so she needs a guide dog to help her.
A. sick B. blind C. tired D. sad
Mary’s uncle made ______ possible for her to travel around the world.
A. it B. that C. this D. one
Changing schools made a big difference ______ his life.
A. on B. at C. to D. for
