_______ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known |
| C．Knowing | D．Being known |
_____ to sunlight for too much time will do harm to one’s skin.
| A．Exposed | B．having exposed |
| C．Being exposed | D．After being exposed |
He was about to tell me the secret_____ someone patted him on the shoulder.
| A．as | B．until | C．while | D．when |
There is a feeling _____ me______ we’ll never know what a UFO is --- not ever.
| A．in; that | B．on; which | C．for; for which | D．by; what |
I feel it is your husband who _____ for the spoiled child.
| A．is to blame | B．is going to blame |
| C．is to be blamed | D．should blame |
Luckily, the bullet narrow missed the captain ______ an inch.
| A．by | B．at | C．to | D．from |