II. Complete the sentences with the correct form of the verbs in parentheses.

1. She was cooking dinner when the guests arrived.
2. He said that he would go to the beach the next weekend.
3. They planned to keep in touch with each other by using emails.
4. There is a lot of interest in doing experiments in the conditions.
5. We should not use our smartphones for more than a few hours every day.  

III. Circle the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

1. The Japanese teacher sent a video to the absentees in Monday. Correction: The preposition should be on. Answer: B  

2. Tim said that he is going to watch a movie that night. Correction: Since the reporting verb "said" is in the past tense, the verb in the reported speech should also be in the past tense. It should be was. Answer: D

IV. Circle the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.  

1. Luckily, my people stayed alive after the earthquake yesterday. The opposite of "stayed alive" is "died". Answer: D