Thereisadeadlock(僵局)inthediscussionwhenneithersidegives________totheother.

The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.

Searle'sclassificationofillocutionaryactsisbasedontheclassificationofperformativeverbs.

There is a growing body of evidence to support the fact that most people suffer from a lack of daydreaming _______ an excess of it.

Thethieftookawaythewoman’swalletwithout________.