We are in a difficult position in____ we have nobody properly qualified for this work.
The woman scientist was so busy that she could hardly_______ time to her children.
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.