1
Mario: What do I have to do if I want to withdraw from the course? Yaya: if you want to ____ the course, you have to go to the school
2
Kong: Are you going to phone noon again? Peter: ____ I've left five messages for her, and she's never replied.
3
William: Can you come round for a meal tonight? Pat: Thanks very much _____ I haven't met you for a long time.
4
Toon came ___ Koy yesterday.
5
Two students ripped ___ a fund for AIDS patients.
6
Sturgeons are prized for their blackish roe, ____ when salted and served as an appetizer, is called caviar.
7
___ mammals have hair at some time in their live, though in certain whales,it is present only before birth.
8
Although she has an English name, she is ____ ,Thai.
9
For example,the logarithm of 1000 to the common base 10 is ____ because 10 raised to the power of 3 is ____; the base 2 logarithm of 32 is 5 because 2 to the power ____ is 32.
10
"In" the past world,the olive "was" the "richer" source "of necessary" oil.
11
Cape Cod, Massachusetts,"is known" "of" "its summer" resorts and "towns for fishing".
12
____ is the best policy.
