They promise that they will finish the project in a month，but I remain _______about their claim.
| A．optimistic |
| B．concerned |
| C．mysterious |
| D．skeptical |
--- I don’t want to ask him for help, for he is a hard man.
--- But, in fact, he is _______ glad to help.
| A．more than | B．not | C．less than | D．much |
---Now, have you finished your work yet?
--- Yes, I _______ it when you came.
| A．have finished | B．finish | C．had finished | D．would finish |
The man with a scar across his face is said _________ many valuable items from the museum.
| A．having stolen | B．to steal | C．stealing | D．to have stolen |
It's surprising that your brotherRussian so quickly-he hasn't lived there very long.
| A． | picked up | B． | looked up | C． | put up | D． | made up |
I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.
| A．must | B．might | C．can | D．should |