21．.Facing the poor grades, Maria is wondering what it ___ to learn English well.
A. takes B .uses C. makes D. prepares
22．.He slowed the bleeding by pressure to the wounds until the ambulance arrived.
A. assessing B .approving C. applying D. appointing
23．Foreign ministers of the two countries hold regular meetings, they can exchange views on international issues of both concern.
A .what B. where C. which D. why
