It took ______ building supplies to construct these energy-saving houses. It took brains, too.
,I have to put it away and focus my attention on study this week.
Have you ever wondered ______ there are so many natural disasters across the world in 2010?
---- Was the driving pleasant when you vacationed in Mexico last summer? ---- No, it ________ for four days when we arrived, so the roads were very muddy.
Any opportunity should be made ______ of _______ your spoken English.
----- What about _________job? ----- It’s too difficult ______ job for me?