He appears to be friendly, but youstill have to be careful
举一反三
- He said regrettably that he should have treated the experiment as (careful) ________ as he could.
- If he[input=type:blank,size:4][/input](be) careful, he[input=type:blank,size:4][/input]( have)that terrible accident.
- ______ he knew nothing about the matter. A: He appears as if B: It seems that C: It appears as if D: It seems as if
- The article suggests that when a person ________ under unusual stress he should be especially careful to have a well-balanced diet.
- He appears to be a（n）