_云南成考网

 你是Lucy，写一封给老同学Allen的邀请信，邀请他参加下个星期日下午4点(12月23日)的校友聚会。希望Allen尽快回信接受邀请，以便他们及时做好安排。

We forgot to bring our tickets，but please let us enter，_____?

• A、do you  
  

• B、will you  
  

• C、can we
  

• D、shall we

Many people don’t know that．

• A、twins understand each other very well
  

• B、twins are slow to learn to talk
  

• C、twins are unlikely to do less well at school than other children
  

• D、there exists more communication between twins