【单选题】---It was nice seeing you again! ---_________
A.
Nice seeing you again.
B.
Nice seeing you again too.
【简答题】苹果成熟时,乙烯的含量达到最低峰。( )
【单选题】Ballet is amazing; ______you go ,you are likely to find yourself going again and again.
【简答题】char c1='a'; int c2=97; printf ("%c, %c\n",c1,c2 ); 结果()
【单选题】You will not, _______ you practise again and again, be able to pass the test [ ]