Work hard, ________ you’ll fail in the English exam this time.
| A．and | B．but | C．so | D．or |
It’s creative _______ you _______ this good idea.
| A．of; to come up with | B．for; to come up with |
| C．of; think of | D．for; to think of |
I will recommend Daniel because he never __________ at all times.
| A．gives out | B．gives up |
| C．gives in | D．gives away |
Usually, it’s easier to make _______ decision than to take _______ action.
| A．a; an | B．／; an |
| C．／;／ | D．a;／ |
If we don’t study hard, we will _______ in our class.
| A．take the lead | B．fall behind |
| C．be the first | D．be successful |
The scientist is very modest. He never______.
| A．show off | B．shows on |
| C．shows off | D．show on |