MrBrown repeated his words to his son, raising his voice a bit, but stillno answer

I________to my cousin’s birthday party last night，but I was not available.

Fruit and vegetables are good for us. We need them __________ healthy.

Nowadays there are still a number of students school at various grades due to a lack of money insome poorer areas.[ ]

class there are 46 students, _____ half wearglasses.