The directions for operating this machine were so ______ that we could not understand.
| A．various | B．different | C．fundamental | D．complex |
_______ the forest park is far away, a lot of tourists visit it every year.
| A．As | B．When |
| C．Even though | D．In case |
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 |