问题
选择题
Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.
A．have made
B．having made
C．are being made
D．will be making
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.
A．have made
B．having made
C．are being made
D．will be making
答案：C
