Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
| A．as if | B．now that |
| C．even though | D．so that |
A man cannot smile like a child，________ a child smiles with his eyes，while a man smiles with his lips alone.
| A．so | B．but | C．and | D．for |
They won't let him out of the hospital ________ he's completely recovered.
| A．since | B．until |
| C．if | D．as |
Tom sacrificed his personal life ________ he could get ahead in his career.
| A．in case | B．as if |
| C．so that | D．only if |
(2013·天津中学3月月考)Never believe anything ________ other people have believed it.Use your own head.
| A．that | B．unless |
| C．because | D．once |
Jerry has promised to keep the secret, so he won’t tell anyone _____ asked to.
| A．until | B．now that | C．unless | D．even though |
It was April 29, 2010 Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that | B．when | C．since | D．before |
My grandma will stretch her arms out to hug me________I turn up to see her.
| A．until | B．while |
| C．the moment | D．by the time |
－Jeffery seems to go without proper food and sleep for days.
－Leave him alone.That's________he reacts to a lost love.
| A．what | B．how |
| C．why | D．when |