But

EXERCISE 1:

Ex. 1. Tom and I can go without you, but Charles can't.

2. Mr. Kramer doesn't know that word, but Fred does.

3. My friend understands the lesson very well, but I don't.

4. My brother won't be at home tomorrow night, but I .................. .

5. Mr. Johnson has seen the annual report, but we .................. .

6. The other students didn't enjoy the trip yesterday, but I ................ .

7. Harold and I ride to work on the subway, but Mr. Green .................. .

8. Almost everyone had a good time last night, but Mary .................. .

9. Daniel Soto can't work on Saturday morning, but Ralph ..................... .

10. My friends are going to leave early today, but I ....................... .