He is going camping_____ 6:00 _____ the morning of July 21st. [ ]

I think walking is________ our health.

Hello, waiter. We didn’t ________ any noodles, but there is a bowl of noodles on the _______.—- Sorry, it is my error.

_________is very interesting to swim in the river in summer, but it’s dangerous.

I’d like to buy a skirt like this. — OK. We can buy ________ one than this, but ________ this.