Nicolaus Copernicus’ discovery about the universe is ______, which ______later achievements in astronomy science.
| A．ambitious; gave birth to | B．enthusiastic; resulted in |
| C．obvious; resulted in | D．revolutionary; led to |
He wanted to pass the exam and stayed up very late，while this ________created further problems.
| A．in turn | B．in case |
| C．in doubt | D．in short |
—Your sister’s plan is not quite practical.Why not try to persuade her to give it up?
—My sister is very stubborn，so it is________to try to change her mind.
| A．by chance | B．in vain |
| C．on purpose | D．for sure |
I am________your suggestion that we should spend more time on this project.
| A．in memory of | B．in honour of |
| C．in favour of | D．in need of |
The traveler didn’t know________which direction to go.
| A．in | B．at |
| C．to | D．/ |
He was a good student and scored ________ average in most subjects.
| A．below | B．of |
| C．on | D．above |