燃烧纤维，闻到烧纸的气味，则此纤维是（ ）
A：丝或粘胶纤维
B：麻或涤纶
C：丝或羊毛
D：棉或粘胶纤维
⑴plant vegetables ____ A. in the park
⑵watch a film ____ B. at the zoo
⑶have dinner ____ C. at the cinema
⑷watch animals ____ D. on the farm
⑸fly a kite ____ E. in the restaurant
