He made another wonderful discovery, ____ of great importance to science.
| A．which I think is | B．which I think it is | C．which I think it | D．I think which is |
tomorrow, we will set sail for Canada.
| A．However the weather is like | B．However is the weather like |
| C．Whatever is the weather like | D．Whatever the weather is like |
Have you heard the news a high-speed railway between Huangshan and Hangzhou will be under construction soon?
| A．that | B．which | C．whether | D．whatever |
Can you still remember the farm we enjoyed plenty of fresh fruit half a year ago?
| A．that | B．when | C．where | D．what |
you must remain calm．
| A．Whatever you may be frightened |
| B．However frightened you may be |
| C．Whatever frightened you may be |
| D．However you may be frightened |
We’d say that never before 
so moving a film as After Shock.
| A．we had seen | B．had we seen | C．we have seen | D．have we seen |
The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．
| A．when | B．where | C．which | D．that |
Where is it ________ you picked up this watch?
| A．there | B．that | C．the place | D．which |
Stephen Hawking has expressed his opinion ___ humans might one day be able to make spaceships capable of such speeds that time on board would slow down．
| A．that | B．whom | C．which | D．what |
The education reform plan took one year and nine months to draw up, _____ public opinions were called for,
| A．to which | B．during which |
| C．from which | D．from whom |