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1. - I'm too busy _____ to my family. - Why not call them instead? A. writingB. to write C. written D. write 2. The little boy woke up his father, _______ Happy Birthday! A. call B. to call C. called D. calling 3. The car _______ in Germany in the 1960s looks old now. A. produced B. producing C. to produce D. which produced 4. -What are on show in the museum? -Some pictures _______ by the Africans. A. drawingB. drawn C. drewD. were drawn 5. The sick man stayed in bed, _______ very terrible. A. feltB. feeling C. is feeling D. was feeling 6. -The boy was seen _____ his bike a moment ago. - I am sorry to hear that. A. fell offB. to fall off C. fall offD. to fall down 7. There're so many beautiful presents in the shop that I don't know _______. A. to choose which one B. what choose C. which one to choose D. to choose what 8. - How bad! They still have no ideas how _______ the problem. | 
