______do you need?—Size 6.

Don’t ______ /l?k/out of the window in class.

How long can I _____ the book?—For four days.

Mt Everest (珠穆朗玛峰) is 8, 844. 43 meters ______ sea level. [ ]

We play sports on school days. You know, we don’t have enough time and have to do lots of homework.