---Joyce,please don't open the window.---Pardon?---I ---

---Joyce,please don't open the window.
---Pardon?
---I _____ open the window.
A.tell you don't     B.tell you not to     C.told you didn't     D.told you not to

He asked me ____ for the bike.
A.i paid how much    B.how much i paid
C.did i pay how much    D.how much did i pay

All members agreed to sign a trade agreement that would bring the lasting ____ to the developing countries.
A.elements    B.beliefs    C.supports    D.benefits

---Have you played baseball before?We need one more player.
---_____.I like ball games,so i believe it will be fun to learn baseball.
A.Sometimes    B.Not really    C.Never mind    D.That's cool