摘要：32．When he was making himself a cup of tea, his parents unexpectedly. A．have been arriving B．has been arrived C．arrived D．had arrived
网址：http://m.1010jiajiao.com/timu3_id_3189087[举报]
When he was making himself a cup of tea, his parents ________ unexpectedly．
[ ]
A．have been arriving
B．has been arrived
C．arrived
D．had arrived
When he was making himself a cup of tea, his parents ________ unexpectedly．
- A.have been arriving
- B.has been arrived
- C.arrived
- D.had arrived