I didn’t know _____ you were getting on well with your work.

how did your English test go— I had thought I ________, but luckily Icame top in the list in class

He considered __________ the book, which was considered __________ a great help in his study.

______interesting the book is!—Yes.I have read it twice.

your touraround the North Lake Is it beautiful—It_______ be, but it is now heavily polluted