She showed the visitor’s around the museum, the construction _______ had taken more than three years.
| A．for which |
| B．with which |
| C．of which |
| D．to which |
. He made a promise____he would achieve the success that his parents were looking forward to.
| A．what | B．when | C．that | D．which |
Being hard-working is of the highest __________ to becoming successful.
| A．important | B．to be important |
| C．importance | D．being importance |
— Did you see _________ jacket on the playground just now?
— Is it _________ new one and very cool?
| A．a; the | B．the; a | C．a; a | D．the; the |
The woman, when ______ how her husband was injured, began to cry.
| A．asked | B．to ask | C．asking | D．ask |
—Has Mr. Black decided not to take part in the party?
—Yes. But the reason______he refused the invitation is not clear.
| A．what | B．for which | C．with what | D．which |