He couldn’t take part in the final exam _______ his serious illness.
| A．because | B．lead to | C．because of | D．when |
George said that he would come to school to see me the next day, but he ______.
| A．wouldn’t | B．didn’t | C．hasn’t | D．hadn’t |
You might wonder how it________to live without eating for so many days.
| A．keeps | B．Succeeds | C．manages | D．tries |
One learns a language by making mistakes and ______ them.
| A．corrects | B．correct | C．to correct | D．correcting |
By the time you have finished this book, your meal ______ cold.
| A．gets | B．has got | C．will get | D．is getting |
—It’s a long time________I saw you last.
—Yes，and what a pity it is now that it will be a long time________we see each other again.
| A．before；since | B．since；when | C．since；before | D．when；before |