What impressed me most was that they never ______ in face of so many difficulties.
| A．lost hearts | B．lost their heart |
| C． lost their hearts | D． lost heart |
He kept all his letters in a __________ box.
| A．metal strong black | B．strong metal black |
| C．black strong metal | D．strong black metal |
The task is too much for me,so I cannot carry on __________ any longer.I must get some help.
| A．singly | B．simply | C．alone | D．lonely |
We’re expecting Lily because she’s our __________ visitor who comes here for holiday every summer.
| A．familiar | B．particular | C．popular | D．regular |
—May I have a glass of beer, please?
—Beer?There is __________ left, but you can have some orange juice.
| A．none | B．no one | C．nothing | D．few |
Could I speak to ________is in charge of International Sales , please?
| A．anyone | B．someone | C．whoever | D．no matter who |