Use your head. Nothing taught by others can have the same effect on you as ______learned by yourself．
| A．those | B．what | C．that | D．the one |
--- I wonder how much you charge for your service.
--- The first two are free ______ the third costs $30.
| A．while | B．until | C．when | D．before |
The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.
| A．which | B．that | C．from which | D．in which |
--- 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 |