5 . We have lost touch with the travelers; they________ lost in the deep forest.

A．should have got

B．can’t have got

C．will have got

D．must have got

10 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. I like eating frying tomatoes with eggs, and I thought it must to be easy to cook.
2. As a kid, I loved to watch cartoons, but no matter how many times I asked to watch them, my parents would not to let me.
3. I wish I have been at my sister’s wedding last Tuesday, but I was on a business trip in New York then.
4. It is lucky we booked a room, or we would have had nowhere to stay now.
5. Must I have a word with you? It won’t take long.
6. —I’ve prepared all kinds of food for the picnic.
—Do you mean we mustn’t bring anything with us?
7. It was sad to me that they, so poor themselves, would bring me food.
8. I still remember my happy childhood when my mother will take me to Disneyland at weekends.
9. They were abroad during the months when we were carrying out the investigation, or they would come to our help.
10. My mom suggested that we will eat out for a change this weekend.
11. If he had spent more time practicing English before, he would have be able to speak it much better now.
12. Eye doctors recommend that a child’s first eye exam is at the age of six months old.
13. The children must have lost in the woods; otherwise they would have been at the lakeside camp as scheduled.
14. Since nobody gave him any help, he should have done the research on his own.
15. Don’t handle the vase as if it is made of steel.