If you want to be popular, , join in our class activities and make a contribution to our class if possible.
The sun heats the earth, ___________ is very important to living things.
I will visit you if Father ______ me.
The policeman warned the drive ________ so carelessly.
—Can I use your laptop for a while?— ; anyhow I am not using it now.
Only after Helen moved to Australia ______ how important she was to me .