--- Why do you look so upset? --- There are so many troublesome problems _________.
Compared with the generation of our grandparents, who grew up in an age when people were lack of almost every kind of materials, we should be content with the ____ supply.
It was reported that the government official expressed the deepest ______ to the families of those killed and injured in this attack.
When your child wakes up in the morning, he should know that his daily ____ includes going to school, lunch and homework.
The child tiptoed(翘起脚尖走) quietly to the bird. ______ into the forest when he was about to catch it.
This picture called up my memory of that day when I ______ him for the first time.