While she _____ TV, someone _______ at the door.
#55631
A
watch, knocked
B
was watching, knocked
C
watching, knocking
D
was watching, is knocking
推荐题目
________we will have an exam(测试) next week,_____ we have to go over our lessons.
#56715
A
Because, /
B
Because ,so
C
/ , /
D
So, so