Freeguy
Senior Member
- Joined
- Oct 4, 2013
- Member Type
- English Teacher
- Native Language
- Persian
- Home Country
- Iran
- Current Location
- Iran
In our own galaxy, the Milky Way, there are perhaps 200 billion stars, ......... probably have planets on which life is feasible.
1. a small fraction in which
2. a small fraction of which
3. a small fraction which
4. which a fraction of
I don't know why No.2 is correct. Would you please tell me that what's the reference of "of' in "of which" in this test?
1. a small fraction in which
2. a small fraction of which
3. a small fraction which
4. which a fraction of
I don't know why No.2 is correct. Would you please tell me that what's the reference of "of' in "of which" in this test?