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Before the final examination, many students have shown ____________of tension. Some have trouble sleeping while others have lost their appetite(胃口).

A、anxiety　　　 B、marks　　　　　 C、signs　　　 D、remarks

Before the final examination,many students have shown

       of tension.Some have trouble in sleeping while others have lost their appetite(胃口).

A.anxiety                            B.marks                ?    C.signs                         D.remarks

Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.

A. anxiety        B. marks               C. signs                 D. remarks

Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.   

A. anxiety  B. marks   C. signs   D. remarks

Before the final examination, many students have shown ______of tension. Some have trouble in sleeping while others have lost their appetite.