--- It’s a shame that you missedthe lecture on the British culture given by Thompson.
--- I _________ it, but I was busy preparing the coming exam.
| A．attended | B．had attended | C．would have attended | D．would attend |
.
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. |
.
The river _______ in the late summer, so we could go across it easily.
| A．dried out | B．dried up | C．dried off | D．dried down |
.
Who is the person ____is talking about the accident ___happened on Highway 104?
| A．which, which | B．who, what | C．that, that | D．what, what |
.
---Goodbye, Peter, remember me to your parents.
---_______.
| A．It’s very kind of you to say so. | B．Thanks, I will. |
| C．You are so kind. | D．Thanks, what a good idea. |
.
_________ it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun.
| A．That | B．What | C．Which | D．Whether |