The Eiffel Tower________by the French engineer Alexandre Gustave Eiffel for the Paris Exposition(巴黎博览会)of 1889.
--Don’t forget to give my best wishes to your parents. --___________ .
The meeting ______ for a week .
—How long ________they_________? —Sorry, I don’t know. But I know that Mr. Chen is going to _______a nurse next month.
I find it impossible for me _______ my old friends. This often makes me _____ sad.
—Hello, May I speak to Mr Black? —Sorry, he ______ Hong Kong for a meeting and he______ back in a week.