In the past few years, __________much improvement in the traffic.
| A．there has been | B．there has had | C．there have been | D．there had been |
The discovery of new evidence led to _______.
| A．the thief having caught | B．catch the thief |
| C．the thief being caught | D．the thief to be caught |
Mr Reed made up his mind to devote all he had to _______ some schools for poor children.
| A．set up | B．setting up |
| C．have set up | D．having set up |
Anyone _______ bags, boxes,orwhatever, was stopped by the police.
| A．seen carry | B．seen carrying |
| C．saw to carry | D．saw carrying |
It is said that in Australia there is more land than the government knows _______.
| A．it what to do with | B．what to do it with |
| C．what to do with it | D．to do what with it |
Robert is said _______ abroad, but I don’t know what country he studied in.
| A．to have studied | B．to study |
| C．to be studying | D．to have been studying |