look主动地或有意识地“看”，主要指看这一动作和行为。

see常指看的客观结果，也就是看到了，看见了。

watch有意识地看，指仔细认真地盯着看事物的变化。

1. "Kids, please, ___ at the blackboard!"

a. look b. see c. watch

解析：look at…看…，题中look at the blackboard看黑板。答案为a

2. Be quiet and let me ___ the football match!

a. look b. saw c. watch

解析：观看比赛类节目用watch。 答案为c

3. Cats can ___ the mice at night..

a. see b. watch c. look

解析：see看见，can表示能力，这里是指黑夜看得见的能力。答案为a

4. ---I have to go. ---___ you later!

a. Looking b. See c. Watched

解析：See you later. 回头见。答案为b

5" ___ at those beautiful pictures!"

a. Look b. See c. Watching

解析：look at…看…，at后加所看的对象。答案为a

6. The police are ___ the suspect.

a. looking b. seen c. watching

解析：警察在盯着嫌疑犯，是目不转睛地观察，用watch. 答案为c

7. I have not ___ "Titanic".

a. looked b. seen c. watching

解析：Titanic是电影《泰坦尼克号》，看电影用see. 答案为b

8. "I usually ___ television in the evenings. And you?"

a. looking b. see c. watch

解析：看电视用watch, 答案为c

9. "It is very dark, I can't ___ anything!

a. looked b. see c. watching

解析：看不见，表示结果和能力，用see. 答案为b

10."Can you ___ the baby a minute? I'll be right back!"

a. look b. watch c. watched

解析：watch表示盯着，认真地看，情态动词can加动词原形。 答案为b