Puzzled by this strange natural phenomenon, the scientists started to explore every _______ they knew to figure it out.
| A．impression | B．intention | C．avenue | D．design |
Without facts, we can’t form a correct opinion, for we need to have actual knowledge________ our thinking.
A． which to be based on |
B．which to base on |
| C．on which to base | D．which to base |
I admired my classmate Linda very much . ________ her prettiness, she was smart and helpful.
| A．Except for | B．But for | C．On top of | D．In spite of |
We can’t possibly go. _________ with it’s too far and we can’t afford it either.
| A．To begin | B．Beginning | C．Begin | D．Having begun |
The landlord _________ them white for their flat.
| A．bled | B．rebelled | C．scolded | D．digested |
He insisted what he did ________ right and anyone who broke laws _________.
| A．was, be punished | B．be, was punished |
| C．was, was punished | D．be, be punished |