EBOLA(埃博拉) is said_______ another big health challenge to our humans over the past several months .
. Do you think ________ nothing to be done?
. He thought that _____.
. As they were classmates, ________ was no wonder that they should do the work in the same way.
. The Foreign Minister said, “________ is our hope that the two sides will work towards peace.”
. – ________, isn’t it? – Yes, a bit cold, though.