Process so far has been very good．______，we are sure that theproject will be completed on time．

winter swimming is so fascinating! Shall we have a try— ! It is not my piece of cake.

Isn’t Ann’s husband over there —No, it _____ be him — I’m sure he doesn’t wear glasses.

How do you feel about the people who _____ for a long time

What’s the radio saying, Jack—Oh, ______ meteorolite(陨石) attacked _______ earth and it fell down in Russia on February 15, 2013.