Do you consider it any good _____ psychology?
| A．to learn | B．to have learned | C．learning | D．having learned |
— Oh, no. I left my mobile phone in the dining-room. I have to go there for it.
— You needn’t. I it back for you. Here you are.
| A．will bring | B．bring |
| C．have brought | D．was bringing |
There is a common saying in China nothing in the world is difficult for one who sets his mind to it.
| A．that | B．which | C．where | D．whether |
The boy slipped out of the room and headed for the swimming pool without his parents' _____.
| A．command | B．conviction |
| C．consent | D．compromise |
The audience who come to the live broadcast scene are always chosen ______ in order to be fair.
| A．in general | B．by chance |
| C．on purpose | D．at random |
Our teacher recommended us so useful a grammar book ______ we can make use of while studying English.
| A．which | B．what | C．that | D．as |