It was only after he had read the papers ______ Mr. Gross realized the task before him was extremely difficult to complete. (2013 .全国新课标Ⅱ)
One learns a language by making mistakes and________ them.
good manners to say “Sorry” when you knock into someone butno need to say it again and again .
This kind of picture storiesworth reading , but novels of that kindnot worth reading .
Technology is developing so rapidly thatfor only a year , my cellphone is out-of-date .
First he made a list of the names of those.Then he began to write the invitation cards .