We were delayed at the airport．Otherwise，we here by lunch．

Helen, your English is pretty good. How can Iimprove my English—I think you can improve your English ______ readingmore.

Mike, what did our monitor say just now? — Every boy and every girl as well as the teachers who _____ to visit the museum _____ asked to be at the school gate before 6:30 in the morning. [ ]

Sometimes proper answers are not far to seek_____ foodsafety problem.

New York is a wonderful place to live .-But many people tobuy a house to live in.