1.- He had changed so much since I last saw him that I hardly him.
2.- The young couple lovingly at the photograph of her boyfriend.
3.- I only him, so I can't really remember whether he was wearing a hat or not.
4.- As my brother is colour-blind, he finds it difficult to between green and blue.
5.- " the board, please!" said the teacher.
6.- She out of the window for a moment, then carried on working.
7.- The old man through the closed curtains at his new neighbours.
8.- The teacher angrily at the class. "For the last time, who broke the window?" she roared.
9.- In Britain it is considered rude to at people.
10.- He through the thick frog, trying to make out the number of the approaching bus.
11.- I waved to attract her attention, but she walked away without me.
12.- Are you going to the film on TV tonight?
13.- I wanted to order coffee, but the waiter was so busy that it was very difficult to .
14.- When I was a student, I used to spend a lot of time sitting in cafés, the way people used their hands when they spoke to one another.