In some cases, different approaches __________ the same scientific problem lead to the conflicting theory.
| A．to | B．of |
| C．in | D．for |
Last night, there were millions of people _______ the opening ceremony live on TV.
| A．watch | B．to watch | C．watched | D．Watching |
It’s not doing the things we like, but liking the things we have to domakes life happy.
| A．that | B．which | C．what | D．Who |
Until now, we have raised 50,000 pounds for the poor children, _______ is quite
unexpected.
| A．that | B．which | C．who | D．It |
My parents always _______ great importance to my getting a good education.
| A．have | B．attach | C．accept | D．Pay |
Life is like ________ ocean; Only ________strong-willed can reach the other shore.
| A．an; the | B．the; a | C．the ;/ | D．/ ; a |