题目内容
The road is covered with ice. I can’t understand they insist on going by bike.
| A.why | B.when | C.how | D.whether |
A
考查宾语从句的连接词;句意:公路上都是冰,我不理解他们为什么要坚持骑车去。选A。
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| A.why | B.when | C.how | D.whether |