I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests．
| A．不填; 不填 | B．不填; a | C．a; 不填 | D．a; a |
．There is a saying that ______ “Never put off until tomorrow what you can do today．”
| A．will go | B．goes | C．is going | D．has gone |
—Was George sorry for what he’d done?
—________．It was just like him!
| A．Never mind | B．All right | C．Not really | D．Not surprisingly |
Daniel Radcliffe, starring Harry Potter, has entered _____ Guinness World Records book as
one of ______ highest earning actors of the decade．
| A．the ; / | B．/ ; the | C．the ; the | D．/ ; / |
It is generally considered unwise to give a child _____ he or she wants．
| A．however | B．whatever | C．whichever | D．whenever |
______more effectively with foreign firms, many Chinese firms have turned to new technology．
| A．Being competed | B．To compete | C．Competing | D．Competed |