—Many people prefer to shop online because it’s __________ and can help people save ________ money.
Do you know what in the room at the moment?
---When shall we leave for Shanghai?---We won’t we have visited all the places of interest in Nanjing.
---How many students have visited Yangzhou Museum? ---____
--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.
---Lucy, ______________________?---It’s Friday. The weekend is coming.