请写出下面的英语题,标序号
III．用所给动词的适当形式完成句子。
1.Mrs Li ________ (shop) at this time yesterday.
2.Look!Those boys ________ (play) basketball on the playground.
3.It ________ (rain) the whole morning yesterday.
4.Listen!Some girls ________ (sing) in the classroom.
5.The students ________ (write) when the teacher came in.
6.While the twins ________ (listen) to music,someone knocked at the door.
7.All of us ________ (study) hard for the coming examination these days.
8.He ________ (read) a novel at eight yesterday evening.
9.They ________ (take) photos on the Great Wall now.
10.What ________ you ________ (do) when the UFO arrived?
11.He does ________ (good) in English.
12.She is better at singing than ________ (dance).
13.The boy had a hard time ________ (mend) the car.