The newly built school canteen(餐厅) is big enough to hold two ________ students at lunch time.

How was your weekend? —Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.

I must return the book to the library. I _____ it for one week.

You should return the book to him ___________.[ ]

Why do you always watch Channel 10 instead of Channel 5, Grandpa? —The programs on Channel 10 are ______ better.