The government is ______ to everyone to save energy in order to carry out the construction of "two-oriented society" (两型社会)in Wuhan and other circle cities.
The sad thing is _________the world-famous artist devoted his whole life _____, he only sold one painting before he died.
It’s said that there are plenty of hotels in Shanghai. There _____ be any difficulty for you to find somewhere to stay.
His pale face _________ a reluctant smile when he heart the news. A took on B came on C was taken on D turned into
________one scientist has pointed out, children’s skulls are not fully developed.
--- Hi, Kate, can I use your bike for a while this afternoon? --- Sorry.??__________?.