Fortunately it happened at night. If the hurricane ________ during the daytime, there ________ more deaths.
| A．had happened; would have been |
| B．happened; would be |
| C．had happened; would be |
| D．happened; would have been |
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 |
Most villagers agree that horses are far more pleasant _______ than tractors, but they are less efficient.
| A．looking at | B．to look at | C．to be looked at | D．being looked at |
—Well, Randy is not quite ready to make a decision yet.
—So, ______, we have to wait, right?
| A．in other words | B．on the other hand | C．in particular | D．above all |
The situation is very serious, even if the government tries to pretend ______.
| A．furthermore | B．otherwise | C．actually | D．therefore |
. ---Is Bob still performing?
---I’m afraid not. He is said ______ the stage already as he has become an official.
| A．to have left | B．to leave | C．to have been left | D．to be left |