Studies show that daydreaming contributes significantly to concentration powers and the ability _____ with others.
| A．communicating | B．to be communicated |
| C．to communicate | D．to communicating |
_____ many times, but he still couldn't understand it.
| A．Having been told | B．Though he had been told |
| C．He had been told | D．Having told |
_____ the meeting himself gave them a great deal of encouragement.
| A．The president will attend | B．The president to attend |
| C．The president who attending | D．The president's attending |
Will you be able to attend the lecture _____ next week?
| A．giving | B．given | C．to be given | D．being given |
I'm pleased to see the problem _____ so quickly.
| A．settled | B．having been settled | C．be settled | D．settle |
What he said made us deeply _____.
| A．move | B．moved | C．moving | D．being moved |