40 percent of the citizens are unhappy with public services, which ______ alarm bells ringing in some local governments, so related departments ______ pay too much attention to this survey.

Years later, he returned home, unexpectedly the old tree of his childhood__________.

My aunt ________ be at home now， for she left for France this morning. She won’t be back ________ next month.

Jim is great! He is good every subject.

Something is wrong with the window; it _______ not open.