及时体验 巩固提升
Ⅰ.用适当的介词填空
1．He behaved________a bad manner at the party and people got very upset.
答案 in
2．A meeting________great importance is to be held tomorrow.
答案 of
3．If the word “group” is considered________a whole, use a singular verb.
答案 as
4．Institute is an organization________a special purpose.
答案 for
5．Most of the time, chimps either feed or clean each other________a way of showing love in their family.
答案 as
Ⅱ.单句语法填空(不多于3个单词)
1. Three years ________ (have) passed since they met last time, and for them, three years ________ (be) really a long time.
答案 have；is
