Generally speaking, according to the directions,the drug has no side effect.
. Not until _______ smoking ________ healthy lungs.
. If it _____ sunny, we _______ a picnic. But it is raining now.
Many Chinese students find it difficult to remember English words, _______ Yang Mei is an example.
It was easy for her to learn French because _______ of her parents spoke the language.
John Hope Franklin was _______ respected historian and social activist, who wrote about race and _______ struggles of black Americans.