Answer:
1) The bag is blue.
2) The rocks are blue.
3) Thomas is hard.
4) Thomas is nice.
Step-by-step explanation:
In the given examples, we are provided with incomplete sentences and the verb "be" is missing. To complete the sentences, we need to choose the correct form of the verb "be" based on the subject of each sentence.
1) The subject "bag" is singular, so we need to use the singular form of the verb "be". The correct answer is "C. is". Therefore, the correct sentence is "The bag is blue."
2) The subject "rocks" is plural, so we need to use the plural form of the verb "be". The correct answer is "B. are". Therefore, the correct sentence is "The rocks are blue."
3) The subject "Thomas" is singular, so we need to use the singular form of the verb "be". The correct answer is "C. is". Therefore, the correct sentence is "Thomas is hard."
4) The subject "Thomas" is singular, so we need to use the singular form of the verb "be". The correct answer is "C. is". Therefore, the correct sentence is "Thomas is nice."