You’d better not leave the medicine it is within kids’ reach.
| A．so that | B．which | C．where | D．if |
He is often listened __________ English songs, but this time we had him _________ a Russian song.
| A．to to sing; sing | B．to sing; to sing | C．sing; to sing | D．sing; sing |
Five years later, he returned home, his character greatly _________.
| A．changed | B．changing | C．having changed | D．was changed |
Victor apologized for _________ to inform me of the change in the plane.
| A．his being not able | B．him not to be able |
| C．his not being able | D．him to be not able |
All the people present agreed that the matter required ___________.
| A．to look into | B．being looked into | C．to be looked | D．looking into |
For some time, Chinese people, under the leadership of CPC, ________ the contents of the Scientific Development Concept in the course of practicing socialism in China.
| A．had been improving | B．have been improving |
| C．were improving | D．improved |