In winter, we must pay attention to _________.

Some students can do very well in English exams, but can understand what a native speaker says.

It’s the love and responsibility that havedriven him to ___ many hardships and survive.

last year , my sister tried to lose weight (减肥), but ______ putting weight back on.

________ great fun we had at the party last night!—Yes， it was so exciting that everyone was happy.