The little boy was so careless with his spelling that he often letters from words.
10.--- Hello, John here, can I speak to Mary , please? ---_____________.
9._____ makes this shop different is that it offers more personal services.
8.Although this_______ sound like a simple task, great care is needed.
7.Please ______ your sister to bring the ticket for the concert.
6.Be careful! The slightest spark(火花)could ______ the fireworks.