John________ he could improve his exam results, but he didn
(1)【◆题库问题◆】:[单选] John________he could improve his exam results, but he didnot have enough time to study.A.knows howB.knows thatC.knew howD.knew that
(1)【◆题库问题◆】:[单选] John________he could improve his exam results, but he didnot have enough time to study.A.knows howB.knows thatC.knew howD.knew that
(1)【◆题库问题◆】:[单选] John________he could improve his exam results, but he didnot have enough time to study.A.knows howB.knows thatC.knew howD.knew that