单项选择题
A. called himself B. you call C. calling himself D. is called
He said he would drop（）at my house on his way home. A. ...
单项选择题He said he would drop（）at my house on his way home.
A. on B. to C. in D. of
He died（）cancer（）a winter night. A. of, at B. from, in ...
单项选择题He died（）cancer（）a winter night.
A. of, at B. from, in C. for, during D. of, on
（）you understand this rule, you'll have no further diff...
单项选择题（）you understand this rule, you'll have no further difficulty.
A. Once B. Unless C. Only D. Until
