1—Do you have a knife—Yes, I do. I have a big .

It’s quite _____ of beginners to forget to use an article before a noun.

According to the rule, children should ________________ a nearby school to receive education in Nanjing.

will thank Mary for her having offered to ________the baby while I went out.

She has to _________ her words again and again, because there is something wrong with her grandpa’s ears.