It snowed heavily; ______, lots of flights have been put off until further notice.
________ made us very pleased was ________ the China Pavillion(中国国家馆) attracted a lot of visitors.
— Mum, many friends of mine are going to Hongenshi Park. Can I go too?— ________ Wait till you are old enough, dear.
— Why, David, you look so tired!— Well, I ________an article and I must finish it tomorrow.
George Washington selected the city the site of the US capital, but the name “District of Columbia” was chosen ________ Christopher Columbus.
— Sally, was ________ problem solved?— We were trying to think of ________ way out, but it was hard to find one.