The three of us __________ around Europe for about a month last summer.
| A．travelled | B．have travelled |
| C．had travelled | D．travel |
____computers are of great benefit to the development of science and technology.
| A．The fact is what | B．That the fact is |
| C．What the fact is that | D．The fact is that |
____puzzled the mother most was____the son would never agree with her.
| A．What;why | B．That;how | C．Which;when | D．What;where |
—____inthisstreet? —IthinkMr.Blackistherichestman.
| A．Whom do you think is the richest man |
| B．Who do you think is the richest man |
| C．Do you think who is the richest man |
| D．Do you think whom is the richest man |
I haven’t found my watch yet;in fact,I’m not sure____I could haved one with it.
| A．where | B．whether | C．what | D．how |
I was advised to arrange for insurance____I needed medical treatment.
| A．nevertheless | B．although | C．in case | D．so that |