-----How many students are there in the classroom?------_______.

 -–What do you think of the lecture?--____but interesting, but I’ve managed to survive it.

The pen, _____ I paid 2 dollars, was lost.

--- What an amazing film! It’s the most interesting film I have ever seen. --- But I’m sure it won’t interest _______.

This pair of shoes_______ too big, can I try another____?