【简答题】The missile has a heat seeking device, ______ (这使它能肛到目标).
【单选题】The fuel of the continental missile is supposed to be ______ by this de vice.
【单选题】After several ______ attempts to send the missile into space, the spacecraft was finally launched successfully.
【简答题】The fuel of the continental missile is supposed to be ________ by this device. A) ignited B) lighted C) fired D) inspired
【单选题】The fuel of the continental missile is supposed to be ________ by this device,