Even if his letter____tomorrow , it____too late to do anything.
A、willarrive,,isC
「句意」即使他的信明天到也无济于事了。
「难点」在条件句中表示现在将来的时间,需要用一般现在时,主句中使用将来时。
Ifasubstanceisdissolvedinwaterorheated,itmay()agas.
Modern____perhapscausesmoreproblemsthanitsolves.
Wecanhear()fromthebackoftheroom.
At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.
TheBentPyramidoutsideCairo__________ancientEgypt’sfirstattempttobuildasmooth-sidedpyramid.