任务高度一般在0~100m之间的无人机为（）。
A．超低空无人机
B．低空无人机
C．中空无人机
参考答案：A
—I thought I asked you to fix the radio.
—Oh，I’m sorry.Mother，I__________it right now.
A．am to do
B．will do
C．was about to do
D．am going to do
匈奴
