I’ve read through this book several times, but I will read it ______ so as to get better understanding.

_____ for five minutes; why don’t they come?

What’s this __________ English-It’s a telephone. You can call me __________ 0713-4567890.

I’m going to buy a car. Any advice, Charlie —Well, it depends on(根据) ________. If money isn’t a problem, you can buy a BMW.

The landscape photographer is _______ the lighting conditions that are present at the time of the shoot