And _____ she could speak again I began to talk.
A. since
B. before
C. when
D. until
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The article has ______ most useful.
A. provided
B. proved
C. protected
D. prevented
You _____ altogether too much significance to be the Prime Minister's words.
A. apply
B. judge
C. consider
D. attach
How _____ my debts?
A.I am to pay
B.I will pay
C.am I to pay
D.I am going to pay
下列()方法为直流电法勘探方法。()
A. 电测深法
B. 电剖面法
C. 中间梯度法
D. 电磁法