根据下列句子所给汉语意思，写出空缺处各单词的正确形式：Earthquakes are _________(极端) difficult to predict.
He looked shocked, and then burst into _________(笑)
A crowd of 300 supporters warmly ________(鼓掌) her speech last night.
The sun had ______(使… 褪色) the curtains.
The heat and the whisky made him feel _______(眩晕) .
This sentence is difficult to understand.Can you make of it?
| A．sense | B．knowledge | C．idea | D．understanding |
—Is Paul playing basketball for his school?
—Well,he ,But he has given it up and switched to playing volleyball.
| A．is | B．was | C．has | D．had |
You’d better go there by train.The train ticket isthe airplane ticket.
| A．as cheap three times as | B．as three times cheap as |
| C．three times cheaper than | D．cheaper three times than |
I to go for a walk,but someone called and I couldn’t get away.
| A．was planning | B．planned | C．had planned | D．would plan |
After studying English for four years in a university,Jane her job as an interpreter in the capital.
| A．set out | B．set up | C．took off | D．took up |