For quite____________ students, their teacher’s advice is more important than___________ of their parents’.
Don’t be afraid of asking for help _______ it is needed.
Food shortage will long be a worldwide problem _______ much has been done to supply enough for everyone.
I do every single bit of housework _______ my husband Bob just does the dishes now and then.
_______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.
To enjoy the scenery,Irene would rather spend long hours on the train _______ travel by air.