You will fall behind the others ______ you start to work hard.
| A．since | B．if | C．until | D．unless |
My parents warn me __________too many computer games.
| A．not play | B．not to play |
| C．to not play | D．don’t play |
He isn’t___________.He always__________his school things at home.
| A．careful enough ,forgets | B．careful enough,leaves |
| C．enough careful,forgets | D．enough careful,leaves |
The sports meeting was a great____________.
| A．success | B．successful | C．successfully | D．succeed |
Nobody helped her.She finished it___________.
| A．on one’s own | B．of her own |
| C．on her own | D．of one’s own |
Kate’s never late for school,?
| A．isn’t she | B．hasn’the |
| C．is she | D．has she |