whem he spits,he uses a piece of paper instead of ___on the floor.
问题描述:
whem he spits,he uses a piece of paper instead of ___on the floor.
A.spit B.spits C.spitting D.spitted
2.If he is late,he___an apology to the teachers either ai the time ____after class
第一空:A.makes B.will make C.made D.is making
第二空:A.or B.nor C.and D.but
答
第一个选C. of是介词,所以用动名词doing的形式spitting
第二个选第一个空B. 第二个空A. 主将从现原则,主句用将来时. 第二个空either.or.或者、、、或者.