Earth is believed ______ by an object the size of Mars at some point in the distant past before itssurface cooled.
| A．to be hit | B．to have hit |
| C．to have been hit | D．to hit |
__________ has already been pointed out, grammar is not a set of dead rules.
| A．As | B．It | C．That | D．Which |
---I will not come here tomorrow.
--- It makes no ______ to me, because I don’t care.
| A．arrangement | B．matter | C．accommodation | D．difference |
Order me a pot of tea; I’m _______ thirst.
| A．dying of | B．dying out | C．dying to | D．dying down |
There was _______ time _______ I was crazy about horror movies.
| A．a; that | B．a; when | C．the; that | D．the; when |
The people who saw the accident passed all ________ information to the police.
| A．shallow | B．optional | C．relevant | D．Abundant |