问题

What was your brother doing at this time yesterday– He was reading a magazine ________ I was writing an e-mail at home.
A:as soon as
B:after
C:until
D:while;
B:after
C:until
D:while;
正确答案是:
同类题型
My brother has been teaching ________ he was 21 years old.
How does Jack usually go to school—— He ________ ride a bike, but now he is used to ______ there.
20. The flu is believed________by viruses.
Could I use your English dictionary for afew moments—— ________.I’m not using it myself.
It was ________I went there ________I began to know something about the matter.