We __________ 1000 English words since we __________ to learn English.

What did you do last night?— I did my homework and ________ TV.

What’s the noise ? It sounds as if it comes from upstairs. –______. It must be the window-cleaner working , next door.

_____ the weather today? — Hot.

I have to buy _________of the two books because I don’t know which to choose.