How long have you been here? —___ the end of last year

It’s so late. Why not write the report tomorrow–But I don’t know______ I can do it for you.

What do you usually do in the morning—I often practice ______English.

_______the weather in Hangzhou It’s cloudy.

Don’t use water to put out the fire if oil catches fire. As is known, oil ________ float on water.