_____ of the students who took part in the military training is 450.
| A．A number | B．A lot | C．Lots | D．The number |
He pretended not to care but that remark _________ his real opinion on the matter.
| A．put away | B．put out | C．gave away | D．gave out |
__________, they couldn’t make their head teacher change her mind.
| A．Whatever hard they try | B．No matter how they tried hard |
| C．As they tried hard | D．Hard as they tried |
The speaker, Professor Davie, __________ for his impressive achievements in physics, was warmly received by all the students in our school.
| A．being known | B．known | C．having known | D．to know |
The users of this new mobile phone can type in e-mails or long texts easily _______ they happen to be.
| A．where | B．wherever | C．what | D．which |
-- Do you have any more bags of this size?
-- I’ sorry we’ve sold ________ but this one.
| A．any | B．some | C．all | D．none |