We’ve just heard a warning on the radio _______ a typhoon may be on its way．
| A．what | B．when | C．which | D．that |
Don’t waste your words any more; she is as ______ as a mule (骡子) and no one can persuade her.
| A．reliable | B．stubborn |
| C．determined | D．tired |
The child asked his mother ______ go out to play tennis.
| A．that he could | B．if he could |
| C．if could he | D．that could he |
______ the tiger gets angry, it will be extremely dangerous.
| A．Once | B．As |
| C．Since | D．Because |
From the distance, the buildings look ________ they touched the clouds.
| A．as if | B．what if |
C．even though | D．even then |
His family had different ______ towards his decision, which made him very unhappy.
| A．methods | B．attitudes |
C．ways | D．views |