How old can you guess your new English teacher is — It’s hard to say. But I guess him to be _____between 35 and 40.

Betty swims ______ than I, But I doesn’t swim ______ Jim.

Excuse me, can I smoke here—No, .

He failed the driving test though he __________for a long time.

The boy wanted to ride his bicycle in the street, but his mother told him _______