Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time.
| A．prove | B．ensure | C．confirm | D．identify |
Tony, stop playing with knife. You may get ______ .
| A．cutting | B．cut | C．to cut | D．to be cut |
When he came back from abroad, Joan told us about the cities and the people ______ he had visited.
| A．that | B．who | C．where | D．which |
The Science Museum, ______ we visited during a recent trip to Britain, is one of London’s tourist attractions.
| A．which | B．what | C．that | D．where |
Peter was so excited ______ he received an invitation from his friend to attend the wedding.
| A．where | B．that | C．why | D．when |
When you read a book, you should make a mark ______ you have any question.
| A．where | B．which | C．that | D．what |