Why are those people gathering in the middle of the street?—I don’t know. There ________ be an accident.

Jim went to answer the phone , Harry started to prepare lunch

in the corner, sat threegirls,_______.

Shall I ________ some music—You’d better not. I’m ________ on my lessons.

lor green in ancient Egypt symbolized spring,which is the time of _______ year when things in nature start to grow after_______ long winter