There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters according to Sphinx?
举一反三
- —Lily has two sisters, doesn’t she? —Yes. She’s taller and older than her two sisters, but she’s not _______ one of the three.
- One of his two sisters suffered from some defects.
- The two old sisters,_______ so long,held each other and burst into tears.
- On _____, scientists announced the successful birth of a healthy baby boy, who was conceived from one sperm and different parts of two eggs.
- He has two sisters, ______ are working in the city. A: which B: who C: whose D: whom