Uber (优步) is the easiest way to connect you with a driver_________ the tap of a button. In terms of price and convenience, it is second _________ none.
| A．with; against | B．at; to |
| C．through; for | D．by; beyond |
It is most instructive lecture that I _______ since I came to this school.
| A．attended | B．had attended | C．am attending | D．have attended |
The shocking news made me realizeterrible problems we would face.
| A．what | B．how | C．that | D．why |
—That must have been a long trip.
—Yeah, it________us a whole week to get there.
| A．takes | B．has taken | C．took | D．was taking |
Maybe if I________ science, and not literature then, I would be able to give you more help.
| A．studied | B．would study | C．had studied | D．was studying |
It is still under discussion __________the old bus station should be replaced with a modern hotel or not.
| A．whether | B．when | C．which | D．where |