英语改错 在线等When he found he hadn't enough money to pay for the

英语改错 在线等
When he found he hadn't enough money to pay for the meal ,he was very much embarrassing.
a.hadn't b.pay for c.very d. embarrassing.
The weather is not as cold as you think .So I don't think the ice is thick enough to walk on it.
a.as you think b. don't think c.enough d.walk on it.
It usually takes much less time to fly from one country to another than traveling by train.
a.less b.another c. traveling d.by train.