°ËÄê¼¶Ó¢Óï¹ýÈ¥½øÐÐʱרÏîÁ·Ï°
Ò»¡¢ µ¥ÏîÑ¡Ôñ
1.My brother ___ while he ___ his bicycle and hurt himself.
A. fell, was riding B. fell, were riding
C. had fallen, rode D. had fallen, was riding
2. Tom ___ into the house when no one ___.
Ò»¡¢ µ¥ÏîÑ¡Ôñ
1.My brother ___ while he ___ his bicycle and hurt himself.
A. fell, was riding B. fell, were riding
C. had fallen, rode D. had fallen, was riding
2. Tom ___ into the house when no one ___.

ÈÕÓï
º«Óï
·¨Óï
µÂÓï
Î÷°àÑÀÓï
Òâ´óÀûÓï
°¢À²®Óï
ÆÏÌÑÑÀÓï
Ô½ÄÏÓï
¶íÓï
·ÒÀ¼Óï
Ì©Óï


