The guide taught us how________ a model robot.
Is _______ necessary_______ the workers wear uniforms at work? A. it, for B. this, to C. it, that
--- Must we go there together? ---______ you ________ he goes there, only one student is needed. A. Both; and B. Either; or C. Neither; nor
--- _______ clever the boy is! ---So he is. A. What B. What a C. How
--- They prefer to walk to the shop rather than_______ in their cars. A. to go B. going C. go
--- What’s the number of students in your classroom? ---It’s about fifty. __________ of them are girls. A., Two third B. Two thirds C. Second third