She has two good friends. One is Sally and is Susan.

House prices vary from place to place and are usuallyhigh ____ there are famous schools.

One Friday, we were packing to leave for a weekend away _____ my daughter heard cries for help[ ]

I am afraid he’s more of a talker than a doer, which is ________ he never finishes anything.(2011·山东)

and gentlemen, please fasten your seat beltsThe plane________