Cars make our life easier, _________ they bring environment problems.
| A．as | B．or | C．but | D．so |
I’m going to be late for work. There’re ＿＿＿ buses on this route(线路).
| A．too few | B．too little |
| C．too many | D．too much |
It is very important ＿＿＿people to have food and water every day.
| A．for | B．of | C．with | D．about |
Listen! The phone ＿＿＿. Please go to answer it.
| A．rings | B．is ringing | C．rang | D．will ring |
The box was too heavy for me to carry, ＿＿＿I pulled it into my room.
| A．so | B．and | C．but | D．or |
The computer is broken. ＿＿＿it＿＿＿ today?
| A．Will; repair | B．Has; repaired |
| C．Will; be repaired | D．Has; been repaired |