皮皮学，免费搜题
登录
搜题
【单选题】
Not until he retired from teaching three years ago ________ having a holiday abroad.A.
he had considered
B.
had he considered
C.
he considered
D.
did he consider
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】One of necessities for business phone calls is the purpose of phone conversation.
A.
正确
B.
错误
【判断题】To be a rational environmentalist, one has to tell apart environmental luxuries from environmental necessities.
A.
正确
B.
错误
【单选题】What are the necessities for a tropical country?
A.
Rent a car.
B.
Take a warm coat.
C.
Find a guide.
D.
Take some tropcial necessities like sunglasses.
相关题目：