---Mr Ding,I have some trouble ______the passage!----Remember _____it three or four times at least !A,to understand ,reading B.understanding ,readingC,understanding ,to read D,to understand ,to read
________exciting it is to swim in the sea while it is hot!
Hong Kong is ____the south of China, and Macau is ____the west of Hong Kong.
Don't hurry. He ________here as soon as the meeting is over.
Shanghai is really a modern city now! Many tall buildings ________everywhere.
How unlucky he was! A car accident ________ to him last week.