--Whose Iphone5 is this? --It’s not _______. I think It’s _________.
I like singing and ________ Tom.
Helen ________watch TV at home _______ hang out with her friends.
---____ do you study for a math test? ---I study math ____ lots of exercises.
The little girl is ________ young ________ look after herself.
The two dresses are very nice. I can’t decide _________。