51,8. He was playing computer games.______I was doing my les

51,8. He was playing computer games.______I was doing my lessons. A.that B.while C.after D.so
55,1. I think___important to learn english well.-----Yes,I agree.
A.this B.that C.it D.you are
55,3. I hope my father____ask me about my marks.
A.not B.not to C.won't D.don't
55,4. ---I____that I were a bird.-----Please stop daydreaming.
A.wish B.hope C.want D.expect
55,8.----Have you finished the work?
----Not yet,but on matter how hard it is,we'll keep______until we make it.
A.failed B.trying C.tried D.failing
请详讲,拜托再讲讲为什么选这个以及不选其他3个的原因,如果有固定词组在里面就告诉我.麻烦了亲!