Although you may meet some difficuIties,you should never .
My pen pal __________ Japan.
There is _____airport in Liaocheng. _______ airport is very large.
---Excuse me. Is the library open all day?--- . Only from 8 a.m. to 4 p.m.
You afraid of doing homework. You know, it’s easy. Just be careful.
---The best time Wuxi is in spring.---Yes, I think so.