Believe it or not, my sister and I are twins. — Oh, you must have had the case _____you were taken for your sister. [ ]

The performance of the host, _________ to please the audience and draw their attention, was greeted with a cold silence, however.

pay the bill by check—Sorry, sirBut it is the management rules of our hotel thatpaymentbe made in cash

It is difficult for us to imagine_____ life was like for slaves in the ancient world

I ______ go to bed until I ______ finished my work