Why are you standing outside the gate? — My father me wait for my aunt from the country here.

She looks very sad. I want to help her, but I just don’t know ____ to do it.

The boy failed the exam because he _____ a lot of time playing the computer games.

Tomorrow we are going to Xixi National Wetland Park. Let’s____at the gate on Wensan Road.

. —I have never spoken ill of Mary. — ____________ you don’t like her.