運用游戲激趣法應(yīng)注意
你可能感興趣的試題
單項選擇題
It seems tht oil______from this pipe for some time.We’ll hve to tke the mchineprt to put i
It seems tht oil______from this pipe for some time.We’ll hve to tke the mchineprt to put i
t rIt seems tht oil______from this pipe for some time.We’ll hve to tke the mchineprt to put it right.hd leked B．is leking C．leked D．hs been lekingA．had leakedB．is leakingC．leakeD．has been leaking