I will talk to those students, ________ work hasn’t been done.

Mike is often absent from class. — Tell him he _____answer for it if he goes on behaving like that. [ ]

Have you ever visited Germany—____________. But I expect to go thereagain.

How beautifully she sings! I have neverheard________

“Drive-ins” have large parking lots ______ customers are served in their cars by waitresses．