Paper ____ first ____ about two thousand years ago in China by Cai Lun．（ ）
A．is； inventingB．is； invented
C．has； inventedD．was； invented
This TV program discusses where the best tea leaves ________.（ ）
A．were producedB．have produced
C．produced
________ cute and lovely the babies are!I will take care of them like they're my own babies.（ ）
A．WhatB．What aC．How
The Monkey King can make 72 changes ________ his shape and size.（ ）
A．onB．inC．to
We ________ carry forward the spirit of serving the people whole﹣heartedly.（ ）
A．mightB．shouldC．could
On July 1st，we'll celebrate the ________ birthday of the CPC.（ ）
A．hundredthB．hundredC．hundreds