—What do you think of the report about the air pollution on TV last night?—I think the situation is so        that we should take action to protect the environment.

 I’m ________ in the book. Do you think it very ________? 

—Is your grandma still ________?—Of course. She __________ with my aunt in the countryside.

-- What was Jim wearing at the party?-- Nothing ________. He was in his usual shirt and jeans.

—When can we read in the library?   —It ______ every day except Sunday.