--- I’m sure Andrew will win the first prize in the final. --- I think so. He ____ for months.
Hainan is a very large island and it’s the second island in China.
Some students were late for class because they had been _________ by the heavy storm.
________ you don’t lose heart, I’m sure you can pass the coming examination.
—How much of the foreign expert’s speech have you understood? —Almost nothing. I wish I ________ harder at English.
At the crossroads, you have to drive very ________ to avoid traffic accidents.