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 expected, he was late again.
| A．Which | B．As | C．What | D．Since |
He liked to go to dances and parties, he could have a good time just sitting and watching.
| A．where | B．when | C．which | D．that |
—Hey, who’s that man over there? Heus since we came in.
—The one by the door? I don’t know. He looks like a lawyer or something, not a journalist. Perhaps he here to look round, like us.
| A．has watched；only came |
| B．is watching；had only come |
| C．has been watching；has only come |
| D．had been watching；came |
In the meantime, the question facing business is whether such research isthe cost.
| A．worth | B．worth of | C．worthy | D．worthwhile |
What’s thetemperature in Beijing during April?
| A．average | B．common | C．ordinary | D．normal |