He went back to the hall to try his_________at finding his lost gold watch，but never found it.
| A．best | B．success | C．result | D．luck |
—I wonder what makes you a great teacher?
—I _______ as a tutor in my spare time at college, which contributes much to my today’s job.
| A．work | B．have worked |
| C．had worked | D．worked |
—The college entrance examination is just around the corner.
—Quite right. Every minute seems to ________ for me.
| A．value | B．affect |
| C．count | D．mean |
— Tom fell off the bike yesterday, but he is all right now.
— What a lucky dog! He _________ himself badly.
| A．should injure | B． could have injured |
| C．should have injured | D．might injure |
The deadly Ebola virus disease is different from flu, _______ they have similar outcome symptoms, such as fever and headache.
| A．since | B．as |
| C．though | D．unlsess |
—I’m driving to Beijing after breakfast.
—Take care, ______with all this fog.
| A．especially | B．mainly |
| C．extremely | D．really |