Global warming has become a serious problem, ______ we must find solutions.

Studies show that people are more _____to suffer from back problems if they always sit before computer screens for long hours. [ ]

Are_____Mr.Miller –Yes,_______am.

uld rather our daughter ________ at home with us, but it is her choice, and she is not a child any longer.

Look，what a mess in the kitchen！—I ______cooking fish in a new way and I really have no time to tidy it up now.