Hi, let’s go skating.— Sorry, I’m busy right now. I_____ in an application form for a new job.

“,” he said.“Things really are not as bad as they seem to be.We still have our last chance.”

－The little boy can put on his shoes and ______ .

Shall we go for a picnic in the forest park tomorrow—Yes, ________ it rains heavily.

Various experiments have been carried out to _____the proper way to raise children. [ ]