It was necessary to _____ the factory building as the company was doing more and more business.
| A．extend | B．increase | C．lengthen | D．magnify |
The weather is not fine today. I think he is _________ to turn up , though.
| A．likely | B．possible | C．probable | D．maybe |
At the railway station, the mother waved goodbye to her daughter until the train was _______.
| A．out of sight | B．out of reach | C．out of order | D．out of place |
We have no idea at all __________.
| A．where he has gone | B．where did he go |
| C．which place has he gone | D．where has he gone |
_______is certain ______ the Normans conquered England in 1066 and then English changed.
| A．That; that | B．It; what | C．That; what | D．It; that |
Many years of hard work_______ his great success in the development of this new type of material.
| A．due to | B．thanks to | C．contributed to | D．looked into |