----- Do you think the Stars will beat the Bulls ? ----- Yes. They have better players, so I ______ them to win.

Paul's mother had him ________ because she couldn't bring him up herself.

Try not to cough more than you can ______ since it may cause problems to your lungs.

Carbon dioxide, which makes a ______ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.

Though she didn't come back to her hometown for many years，she could still________some scenes of childhood.