﹣ Sam， could you tell me something about Earth Hour？
﹣Sure． People usually turn offlights and keep them off for an hour．（ ）
| A． |
switch off |
B． |
take off |
C． |
get off |
I will never forget the people _________helped me a lot during my hard time.（ ）
A．whichB．whoC．whoseD．whom
________the sun was shining，it wasn't very warm.（ ）
A．AlthoughB．IfC．SinceD．Because
_________myself，I will take up a hobby like painting this summer.（ ）
A．ImproveB．ImprovingC．To improveD．Improved
—Dave，could you tell me _________________？
—Go straight and turn right at the first crossing.（ ）
A．how can I get to Renmin Square
B．how I can get to Renmin Square
C．when can I get to Renmin Square
D．when I can get to Renmin Square
Don't be upset.Sometimes challenges can ___________ the best in us.（ ）
A．bring outB．work outC．hand outD．hang out