Helen was fully occupied_____business matters, so we didn’t want to brother her.
| A．for | B．at | C．in | D．with |
—Ourholiday cost a lot of money.
—Did it? Well, that doesn't matter __________ you enjoyed yourselves.
| A．as long as | B．unless | C．as soon as | D．though |
The retired man donated most of his savings to the school damaged by the earthquake in Yushu，__________ the students to return to their classrooms.
| A．enabling | B．having enabled | C．to enable | D．to have enabled |
We had to wait half an hour __________ we had al-ready booked a table.
| A．since | B．although | C．until | D．before |
Our English teacher suggests that we should __________ the dictionary every time we come across a new word while reading.
| A．refers to | B．look up | C．not refer to | D．not look up |
—Hello, JinlingHotel. What can I do for you?
—Do you have a room __________ for this weekend?
| A．useful | B．available | C．possible | D．empty |