—Is it necessary to look up every new word when I come across it in reading?
—No. You ________， because you are likely to guess the meaning from the context.
| A．can't | B．mustn't |
| C．don't have to | D．ought not to |
—Did you have a good sleep last night ?
—Yes ,never sleep .
| A．badly | B．better | C．worse | D．best |
—Tom came to work last Friday ,but no one has seen him since.
— he have had an accident ?
| A．Should | B．Must | C．Might | D．Could |
—I’m entering for the 100—meter race.
— .
| A．Congratulations | B．Enjoy yourself |
| C．Good luck | D．Wonderful |
I don’t think Peter is too young to take care of the pet dog ________.
| A．properly | B．correctly | C．exactly | D．actively |
—I telephoned him twice and I couldn’t get through to his home.
—I think the line might have been out of order, ________?
| A．don’t you | B．wasn’t it | C．do you | D．hadn’t it |