﹣Mum ，I've got the first prize in the speech competition．

﹣_____， my boy! （　　）

A．Well doneB．My pleasure

C．Good luckD．It's hard to say

You can see the _____ in our faces when we talk about the great achievements in the past 70 years．（　　）

A．doubtB．prideC．regretD．ability

Could you stay a little longer？ I have ____ more to tell you about the plan for tomorrow．（　　）

A．somethingB．everythingC．anythingD．nothing

﹣It's ten years since we came here．

﹣How time flies! We ____ in China for so long．（　　）

A．workB．worked

C．will workD．have worked

﹣The 5G technology can help doctors treat patients who are hundreds of kilometers away．

﹣ It's really ____．（　　）

A．secretB．direct

C．amazingD．traditional