If I ________ plan to do anything I wanted to. I’d like to go to Tibet and travel through as much of it as possible.
| A．would | B．could | C．had to | D．ought to |
The computer, _______ he paid ￥3,000, was once owned by his uncle.
| A．which | B．for which | C．that | D．to that |
In the past we lost many chances, _______ we paid little attention.
| A．which | B．that | C．in which | D．to which |
The pen, _______ I had been writing for ten years, was broken.
| A．with which | B．with that | C．as | D．with it |
Mary has two brothers, ________ are doctors.
| A．both of they | B．both of whom | C．both of them | D．whom of both |
The problem _______ you argued about yesterday has been solved.
| A．that | B．what | C．why | D．for which |