–It has been thirty years since I my hometown.—How time flies! Great changes in our hometown in the last thirty years.
—The cakes are quite yummy! Can I have one more?—Sorry, there is _________ left. What about some biscuits?
This company ______ long-time holidays ________ the workers every year.
If people change wetlands to make ______ for farms ,birds will not have enough________ to live.
---I think English is ____unimportant subject.---I don’t think so. It is ____useful tool when we talk with foreigners.
--Mr. Liu is good at painting.-- ___________ . I like his pictures very much.