Charles Darwin considered ______ to be the process by which evolution took place.
| A．adjust | B．accompany | C．abandon | D． adaptation |
This problem may lead to more serious ones if ____ unsolved.
| A．making | B．remained | C．keeping | D．left |
I ____ you, but I didn’t think you would listen to me.
| A．could have told | B．must have told |
| C．should tell | D．might rell |
—Hey, Kelin. Happy new year! ____?
—Ok, I guess. My grandma kept cooking and cooking, so I just kept eating.
| A．How was your break |
| B．How is your grandma |
| C．Where did you go for holiday |
| D．What did you do in your holiday |
As we have much time left, let’s discuss the matter ____ tea and cake.
| A．over | B．with | C．by | D．at |
____ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
| A．That | B．What | C．In spite of what | D．Though what |