The entry point tissue in the very front of eye functions as the window ______ all light has to pass on its way.
| A．which | B．that | C．across which | D．through which |
There is no point advocating banning smoking in public ________ the law is introduced.
| A．when | B．unless |
| C．since | D．because |
You know it's love when all you want is that person to be happy, ________ you're not part of their happiness.
| A．even if | B．as if |
| C．if only | D．if ever |
One split second later your life or someone else's life could be gone ________ you are just glancing at your phone to check a text message.
| A．even though | B．in that |
| C．only if | D．as if |
Mr. Smith doesn't go to his usual club, ________ it is being decorated these days.
| A．for | B．yet |
| C．so | D．or |
________ you need something, please don't hesitate to let me know.
| A．Even though | B．In case |
| C．As though | D．Even if |