21．The Spring Festival is _____ special holiday when _______ whole family are supposed to get together.
A. the, the B. a, a C. the, a D. a, the
22．Our defeat was due to a lack experience.
A．in B．for C．of D．to
23．When you go to a new school，you must the new life style there.
A．adopt to B．adapt yourself to C．adapt D．adjust
