单项选择题
The protection of our environment is not nothing to be left to the A B Cgovernment. Everyone should be concerned. D
未知题型 在G2 期可合成( )。
单项选择题 I didn't expect to receive a postcard from you! It's really __my wildest imagination.A. behind B. beyond C. except D. through
单项选择题 The task is too much for me, so I can't carry on __ any longer.I must get some help.A. singly B. simply C. alone D. lonely
