Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.
A、inEach year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.
Shehadclearlyno________ofdoinganywork,althoughshewasverywellpaid.
Others argue that since the earth has endured a long string of ice ages in the last two millionto three million years, any warming is ________ to be temporary.
________ with the size of the whole earth, the highest mountains do not seem high at all.
Becareful,_______you'llfalldown.
