ⅣMultiple choice.
1Fishermen and sailors sometimes claim____ monsters in the sea.
A seeing B to have seen C having seen D to see

Lucy apologized for______to inform me of the change in the plan．

20．He took much pain-killer last night, thus ______ his headache.

16．The dying man moved his lips as if ______ something, but it was too late for him to let out a single word.
A. to say    B saying    C. said    D. having said

10．With the nurse who is very experienced and thoughtful ______ her mother from next Monday, her worry decreases a lot.

Tom has been out of work for two years, so he has difficulty______.

The ______ look suggested that there must be something ______ around her.

We drove to the airport to meet an expert from Germany, about 50 years old, his hair ______.

There are many things we need _______ before we buy a car .

Bad weather _______ into consideration , we may need at least four days to arrive .