Only after Mary read her composition the second time ________ the spelling mistake.(2012·天津)
It is helpful to put children in a situation _____ they can see themselves differently.
-- Learning a language is not easy. It takes time.--- I can’t agree more. __________. There is no short cut.
John as well as the other children who ______ no parents ______ good care of in the village.
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
—Would you like me to help you with the maths problem?—___________ It’s a most difficult one.