“Shall we stop for lunch _____ shall we drive on?” “Let’s stop for lunch, but the driver can’t drink _____ drive.”
Always acting in a strange way, Einstein must have ___appear to people around to be mad.
--$ 500 ,but that is my last offer. --OK, it is a __________.
--Why did she spend so much time searching shop after shop only for a blouse? --Oh, she was very __________ about her clothes.
This book is said to be a special one, which __________ many events not found in other history books.
You shouldn’t keep silent when __________.