When is World Environment Day?It’s ___________.A.on 10th September B.on 5th June C.on 22nd April
The boy was very tired_______ he went to bed early.
There are ______dictionaries in the library.We need some more.
_______the lion ______the monkey yesterday?
Last week my uncle _______to the USA. A.flew B.fly C.flies D.flying
______many boats on the lake.______beautiful.