.Now all of our concentrtion is on _____ it is that the global environment will return to normal.

The well-known performer our Chinesefans often referred ______ at our school yesterday.

What ______you do if you _______ in Grade 7 now

Must you play the guitar so loudly I can hardly___ my book .— I’m sorry. I didn’t know you were reading .

If I________everything about Picasso already，I wouldn’t have to read the book.[ ]