Although he knew little about the large amount of work done in the field , he succeeded other more well-informed experimenters failed.
| A．as | B．unless | C．what | D．where |
---Besides being bright, he has always been working hard.
--- No wonder he _______ in almost all subjects.
| A．gets through | B．stands out | C．sets aside | D．holds up |
. Only after he graduated _______ how much he loved his alma mater (母校) .
| A．he realized | B．he had realized | C．had he realized | D．did he realize |
The speech which he made _______ the project bored me greatly.
| A．being concerned | B．be concerned | C．concerned | D．concerning |
---My god, it’s raining again. What a cold day!
---So it is. It’s really too cold _______ May.
| A．to | B．for | C．with | D．about |
Recent campus tragedies show that safety measures are so important that we _______ take them too seriously.
| A．can’t | B．should | C．mustn’t | D．shall |