完成句子（满分5分，每小题0.5分）
小题1:Liz agreed to look after the baby ____ ________ ______ a free room.（作为回报）
小题2:The sofa had to _______ _______ a bed.（充当）
小题3:There must have been an angel who ______ ______ me that day.（看守/守护）
小题4:Stern put Travis ____ ______ _____ the research team.（负责）
小题5:When he was in France, he _________ _______ some French.（学会）
小题6:People ______ too much __________ _______ economic forecasts.（认为……重要）
小题7:I am sure that he will ______ __________ ______Beijing University.（录取）
小题8:The company holds ________ meetings with employees.（定期的）
小题9:They own a house in France ______ ______ ______ an apartment in Spain.（除……还有）
小题10:Anyhow, my goal is to provide humans with a life ____ ________ ___________. （高质量的）