This blue pen is .
﹣The 5G technology can help doctors treat patients who are hundreds of kilometers away.
﹣ It's really ____.( )
A.secretB.direct
C.amazingD.traditional
﹣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
Could you stay a little longer? I have ____ more to tell you about the plan for tomorrow.( )
A.somethingB.everythingC.anythingD.nothing
You can see the _____ in our faces when we talk about the great achievements in the past 70 years.( )
A.doubtB.prideC.regretD.ability
﹣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