–What do you think of your Junior Middle School life?--I think it is colorful, ______ I am always busy.
To write a good article you must first ________your ideas very carefully.
John promised his doctor he ________not smoke,and he has never smoked ever since.
—Have you heard of the North Korea’s nuclear test? —Yes,________news came as ________shock to me.
_______from what he did,he isn’t a person to depend on.
After ________in the research for so many years,the scientist succeeded in finding the result at last.