A new laptop costs about _____ of a second-hand one.
| A．the price of three times | B．three times the price |
| C．as much as the three times price | D．three times more than the price |
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 |
The problem is _________ we can finish the work in time.
| A．what | B．whether | C．that | D．if |
A monument was set up at the centre of Tian’men Square ______ those who devoted their lives to our country.
| A．in praise of | B．in place of | C．in memory of | D．in need of |
－What do you think of Peter?
－He is a helpful person. He is always helping people without expecting anything_______.
| A．in turn | B．in return | C．on his turn | D．on the turn |
Eating too much fat can __________ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．lead in |