Why did the project come to a stop half way?
--- It was in part ______________ financial difficulties.
| A．away from | B．thanks to | C．owe to | D．due to |
--I'm told that John had another car accident this morning.
--I believe not. He _________so careless.
| A．shouldn't have been | B．wouldn't have been |
| C．couldn't have been | D．mustn't have been |
The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
| A．to be invented | B．having been invented |
| C．invented | D．to have been invented |
---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
| A．How come | B．When | C．How | D．Why not |
--I didn't know this was a one-way street, officer.
-----__________________.
| A．That's all right. | B．I don't believe you. |
| C．How dare you say that? | D．Sorry, but that's no excuse. |
He arrived here at noon, ________in the day, and he went out and came back ________in the day.
| A．late; late | B．late; later | C．later; late | D．later; later |