The governments are very cautious about setting a new policy and make no decision _____ they are quite sure it is the right one．
| A．because | B．when | C．until | D．as |
Many air flights _________because of the eruption of the volcano, in _______case, many passengers had no choice but to take a train.
| A．had been cancelled; which | B．have been cancelled; what |
| C．had been canceling; that | D．have been canceling; where |
We walked for two hours to get to the top of the mountain from ___we had fantastic views.
| A．which | B．where | C．what | D．that |
From Jame’s face, I could see he was terrified of _________ by us.
| A．abandoned | B．abandon |
| C．being abandoned | D．to be abandoned |
I was supposed to _______ all my shopping by now, but I still have a great many to buy.
| A．to have finished | B．to finish |
| C．to be finishing | D．to have been finished |
When I miss my family, it’s ______great comfort to have a ________ family to be with.
| A．a; substitute | B．a; replace |
| C．/; substitute | D．/; replace |