【1.Fibersofhairandwoolarenotcontinuousandmustnormallybespunintothread____wovenintotextilefabcrics.whentobe/iftheyaretobe2.Theambassadorheardthat____athisppostayearlonger.hebestaying/hewouldbestaying3.—whatdo】

　　1.Fibersofhairandwoolarenotcontinuousandmustnormallybespunintothread____wovenintotextilefabcrics.

　　whentobe/iftheyaretobe

　　2.Theambassadorheardthat____athisppostayearlonger.

　　hebestaying/hewouldbestaying

　　3.—whatdoyouthinkoftheboxingmatchlastnight?

　　——Ireally___thinkJackson_____

　　don't...haswon/didn't...wouldwin

　　4.greateffortstoincreaseagriculturealproductionmustbemadeiffoodshortage___avoid.

　　istobe/canbe/willbe/hasbeen