单项选择题(21)()
A.light B.pale C.easy D.quick
单项选择题(16)()
A.mistake B.delay C.change D.wind
单项选择题(17)()
A.forced B.warned C.swept D.reminded
单项选择题(18)()
A.watching B.visiting C.circling D.crossing
单项选择题(19)()
A.arrive B.enter C.stop D.land
单项选择题(20)()
A.if B.though C.because D.while
单项选择题(22)()
A.sick B.nervous C.angry D.afraid
单项选择题(23)()
A.empty B.narrow C.secret D.open
单项选择题(24)()
A.happens B.continues C.fails D.serves
单项选择题(25)()
A.quiet B.hot C.dirty D.crowded