Why the explosion occurred was ____the laboratory attendant had been careless.
| A．for | B．because | C．since | D．that |
They came to the conclusion ________ by a computer.
| A．that not all things can be done | B．because of not all things be done |
| C．being not all things can be done | D．because not all things can be done |
________ is no reason for dismissing her.
| A．Because she was a few minutes late | B．Owing to a few minutes late |
| C．The fact that she was a few minutes late | D．Being a few minutes late |
Mary is ________ someone might recognize her.
| A．afraid of | B．afraid about | C．afraid that | D．afraid for |
I wonder how much ________.
| A．does the watch cost | B．did the watch cost |
| C．the watch costed | D．the watch costs |
When and why he came here ________ yet.
| A．is not known | B．are not known | C．has not known | D．have not bee |
I am sure ________ he said is true.
| A．that | B．about that | C．of that | D．that what |
He asked me ________ with me.
| A．what is the trouble | B．what wrong was |
| C．what was the matter | D．what trouble it is |
It is generally considered unwise to give a child ____ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
Have you seen Henry lately My boss wants to know ________.
| A．how he is getting along | B．how is he getting along |
| C．what he is getting along | D．what is he getting along |