1.I do every single bit of housework,_____ my husband Bob just dose the dishes now and then.a.since b.whilec.whend.as2.While watching TV,____.a.we heard the doorbell ringsb.we heard the doorbell ring选什么以及为什么
问题描述：
1.I do every single bit of housework,_____ my husband Bob just dose the dishes now and then.
a.since
b.while
c.when
d.as
2.While watching TV,____.
a.we heard the doorbell rings
b.we heard the doorbell ring
选什么以及为什么
答
b while在这里是比较的意思
b hear sb. do sth. 或 hear sb.doing sth.
答
1;b(while做"然而"
2;b
答
B.while
while有然而的意思,后半句是说然而我的丈夫只是偶尔的洗洗碗.now and then是偶尔的意思.
A.we heard the doorbell rings
doorbell是主语,并且是可数名词单数,谓语动词加S.