1.He often w_a smile on his face.2.I think diving is more e_than cycling.3.Jack is glad to help
people s_problems 5.We had a p_ trip to Qingdao during National Day and we had a good time there.6.His general a_is thin and handsome.9.He is very clever and he can answer all the questions c_ .12.--- I think English is the most important of all the subjects --- Yes,I a_.