_____ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known | C．Knowing | D．Being known |
Many applicants stood 
outside the manager’s office, nervously waiting _________ for the job.
| A．to choose | B．being chosen | C．choosing | D．to be chosen |
She was so sad because she failed in the math test. Let’s ______ her _______.
| A．leave … behind | B．leave … alone | C．leave … aside | D．leave … out |
With the guide ________ the way, we finally got to the village which we were looking for.
| A．led | B．leading | C．to lead | D．had led |
I don’t understand what the teacher means, but I’ve got ____ rough ide
a of ____ plan.
| A．the; a | B．不填; the | C．the; 不填 | D．a; the |
I need time to _______ on what the teacher taught in class.
| A．consider | B．reflect | C．imagine | D．suggest |