Clive Palmer，the designer of Titanic II，________to answer questions about the project's cost.
| A．abandoned | B．declined |
| C．decreased | D．regretted |
.Her explanation to the question made all of us ________ .
| A．to confuse | B．confusing | C．confuse | D．confused |
I have read the material several times it doesn’t make any ______ to me.
| A．sense | B．importance | C．meaning | D．significance |
.It is ________ that people will not agree with what the manager at the meeting.
| A．certainly | B．sure | C．certain | D．surely |
The problem is _______ we can arrive there before 6:00 tomorrow morning.
| A．which | B．whether | C．when | D．that |
The man fled aboard, trying to avoid ________.
| A．catching | B．being caught | C．to catch | D．to be caught |