问题

Where is Jack? —-On the playground. He _______ football with hisclassmates.

A: play
B: played
C:isplaying
D: was playing

正确答案是：

同类题型

She isn’t so____as her sister.

Have you _____ had dumplings —No,not _____.

As we all know, the Silk Road ______ China to the west in ancient(古代) times.

You can use English or Chinese ________ you travel inSingapore.

.The Smiths ______ their breakfastwhen the morning post came.