1) You__walk on the grass in the park a) needn't b) mustc) mustn't2)…

1) You__walk on the grass in the park a) needn't b) mustc) mustn't2) Children__by special instructors how to swima) have taughtb) teachc) are taught3) You can't go__you have done your homeworka) whileb) untillc) after4) I depend__public transport to get to worka) onb) toc) in5) I went to__hospital to visit him yesterdaya) ab) -c) the6) They were__friendly people that we felt very welcomea) such ab) soc) such