
Welaughatjokes,butseldomabouthowtheywork.
A.wethink
B.thinkwe
C.wedothink
D.dowethink
正确答案:D上一篇 The system has been designed to give students quick and easy to the digital resources o
下一篇 Jenny was looking for a seat when,luckily,a man______and left.A.took up B.got up C.shut