【单选题】There was so much noise produced by the machine outside that the professor had to ______ his voi
A.
16. There was so much noise produced by the machine outside that the professor had to ______ his voice so that it would not ________. A.rise; be drowned
【多选题】下列哪些属于社会救助需要精神层面救助的原因?
【简答题】A. or B. and C. but D. so
【单选题】某孕妇,末次月经为2014年2月25日,其预产期为( )
【单选题】It’s so ( ) today. Let’s go swimming.