Her father _____ in the U.S.A for another year so that she could work towards her master’s degree.
In the past 5 years a great deal of money _____ improving the environment of the school.
China has been working very hard to stop the endangered animals ______ .
I ______their method of making the machine .
The blues has been _____part of African-American culture since then, and it is still ______ important part of American culture.
-- We’re organizing a party next Saturday, and I’d like you to come. -- _______! I have another one that day. Thank you just the same.