2. ______was known to them all that William had broken his promise______ he would give each of them a gift.
| A．As, which | B．What, that | C．It , that | D．It , which |
Many provinces have been hit with smog. If _______ unsolved, the problem may lead to more serious results.
| A．having left | B．to leave | C．left | D．leaving |
The factory which produced fake wine in our city, _______ was shown in the news report, has been closed by the government.
| A．that | B．it | C．what | D．as |
_______, they had no chance of winning the war.
| A．As they fought bravely | B．Bravely though they fought |
| C．Brave as they fought | D．Though they fought brave |
In order to do something meaningful, it’s necessary that you _______ determine what is really important.
| A．must | B．will | C．need | D．should |
The last four years _______ Gareth Bale transforming from an unwanted player to the most sought-after rising star in world soccer.
| A．have seen | B．had seen | C．are seeing | D．saw |