Teach children ______ electrical appliances, cords, and switches are not toys.
| A．what | B．which | C．how | D．that |
— ______you write so well?
—By reading and keeping diaries every day.
| A．How is it | B．What is it |
| C．How is it that | D．What is it that |
______the website of the Fire Department in your city, and you will learn a lot about firefighting.
| A．Having searched | B．To search | C．Searching | D．Search |
—I called you many times yesterday morning, but I couldn’t get through.
—Oh. My brother ______on the phone all the time!
| A．was talking | B．has been talking | C．has talked | D．talked |
—Would you mind if I closed the window?
—______. It’s that cold outside.
| A．Sorry, I’m afraid | B．Yes, help yourself |
| C．Sorry, you don’t | D．No, go ahead |
It is generally considered unwise to give a child ________ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |