I can’t be sure that we will win but I ____ that our team will play hard to win the championship.
| A．guarantee | B．remind | C．require | D．doubt |
-Are you familiar _______ the music?
-Yes. The music is familiar __________me,but I can`t remember when and where I heard.
| A．with;with | B．to;to | C．to;with | D．with;to |
______________should be paid to our study,and only in this way ________make progress.
| A．Heart;we can | B．Mind;can we |
| C．Attention;can we | D．Notice;we can |
This machine is very easy . Anybody can learn to use it in a few minutes.
| A． operating | B． to be operating | C． operated | D． to operate |
Don’t handle the vase as if it _________ made of steel.
| A．is | B．were | C．has been | D．had been |
In order to find the missing child, the villagers___________ all they can in the past five hours.
| A．have been doing | B．did | C．do | D．had done |