. --- I'm sorry. I ____________ the bike to you yesterday. But I was too busy at that time.
--- Never mind.
| A．should return | B．should have returned | C．must return | D．may have returned |
______ volleyball is her main focus, she’s also great at basketball.
A Since B. Once C. Unless D. While
---I need to advertise for a roommate for next term.
---______ ? Mary is interested.
| A．Why bother | B．Why not | C．So what | D．What for |
It sounds like something is wrong with the car’s engine. _____ , we’d better take it to the garage immediately.
| A．Otherwise | B．If not |
| C．But for that | D．If so |
Only after they had discussed the matter for several hours ______ a decision.
| A．they reached | B．did they reach |
| C．they reach | D．do they reach |
The earliest English ___ was written in a kind of English that is now difficult ___.
| A．poem; to understand | B．poet; to be understood |
| C．poetry; to be understand | D．poetry; to understand |