He has devoted most of his time and energy _______ a cure for the disease.
语音知识(共5小题;每小题1分,满分5分)从A、B、C、D中找出其划线部分与所给单词的划线部分读音相同的选项。action
apologies
speech
graph
scream
They reached at last _______ was once a temple where the farmers used to keep cattle.
Although cats can not see in complete darkness, their eyes are much more ______ to light than human eyes.
Seeing the road ________ with snow, they had to stay at home, watching TV and drinking coffee.
Following Christianity, witnesses have to _______ on the Bible to tell the truth.