---Why are you standing there, Maggie?---I can’t see the blackboard clearly. Two tall boys are sitting _______ me.
The box was _____ than I had expected. I was out of breath when I got home.
People ______ overweight need more water than thin people.
I hear they are going to London, but I don’t know ________ they will stay there.
My husband always ______ me flowers every week before we got married, but now he never ________.
If we ______ take environmental problems seriously, the earth _______ worse and worse.