No sooner ______ started to shine ______ it was clouded over again.
On Feb. 6, Xi’an – Zhenzhou High – Speed Railway,_________first high – speed railway in_______West China, was put into operation.
______ you are alone at home, why don’t you go with us to the party?
Can you ___me to call Mr. Smith this afternoon? You know how forgetful I am.
It was quite ___accident that I met him; he was homeless and ___rags at that time.
You should pay a lot of attention to children’s ideas; sometimes they ___be really creative.