问题

The old lady’s hand shook frequently. She explained to her doctor this shaking had begun half a year before, and , only because of this, she had been forced to give up her job.

A:when;how
B:how;when
C:how;how
D:why;why;

正确答案是：

同类题型

Large quantities of fish _______ in theriver in the past few days

The new mayor, who adored ________ to the volleyball match, didn’t approve ________ the new building plans at the meeting.

It was raining heavily. Little Mary felt cold, so she stood ____ to her mother.

下列和句标点符号使用正确的一项是（　）

In order to _____ the rising production costs, the subscription rates have been increased