—Shall I help you carry your travel case to the train ,Granny? —Oh,no,my boy.It is heavy.Thank you anyway.
.—Steve come back because the window is open. —Yes.but he _______left it open last night.
_________we sleep together or apart is one of the biggest cultural differences, and only in western societies ______ the feeling that babies should sleep apart from their parents.
____ they are closest friends is not clear though they live together.
A tunnel was built under _____ was a lake a year ago.
—Mary, don’t you believe your sister?—Yes. I believe _____ she says.