Subject-Verb Agreement 2
For each of the following sentences, select the answer choice that fills in the blank with the correct present tense form of the verb in parentheses.
For help with this exercise, see Chapter 25.
1. Oceans ________ three-quarters of the earth’s surface. (cover)
A. |
B. |
C. |
D. |
2. Yet most people still ________ very little about them. (know)
A. |
B. |
C. |
D. |
3. Even scientists constantly ________ new things about life. (discover)
A. |
B. |
C. |
D. |
4. Sylvia Earle ___ a highly respected oceanographer. (be)
A. |
B. |
C. |
D. |
5. She _______ a great deal of time under water. (spend)
A. |
B. |
C. |
D. |