The boy felt so blue yesterday, because he didn’t pass the exam.

--- What’re you going to do to protect the environment? --- Plant trees on       side of the river.

－ Take one more pen. If your pen doesn’t work during the exam, you can use the other one.－ OK, Mum. You are always_______.

– Which ocean is ______, the Atlantic or the Pacific?-- The pacific.

—Help yourself to some fish.—Thanks. Oh, it tastes so ___________.