________ giving a general introduction to computers, the course also provides practical operation.
| A．In terms of | B．In addition to |
| C．In case of | D．In order to |
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 |