They shook hands and greetings.
A. exchanged
B. exchange
C. introduced
D. introduce
She did not feel nervous at all because the interview was very .
A. formal
B. informal
C. limp
D. unfriendly
Let me give you a advice.
A. bar of
B. piece of
C. drop of
D. lump of
Here are some new shoes.
A. drop of
B. lump of
C. bottles of
D. pairs of