Multiple Choice
In each sentence below, a blank space appears where the verb should be. Choose the correct helping verb and past participle form. Select the letter of the correct answer. Professors Smithson and Knoll ____ on math anxiety at three different colleges this year.
A) have speak
B) have spoken
C) has spoken
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Proofread the following sentences, which form an
Q13: Select the correct past participle for each
Q14: Select the correct past participle for each
Q15: In each sentence below, a blank space
Q16: Select the correct past participle for each
Q18: Proofread the following sentences, which form an
Q19: Select the correct past participle for each
Q20: Proofread the following sentences, which form an
Q21: Proofread the following sentences, which form an
Q22: In each of the following sentences, a