# 1เลือกประเภท"I finished my homework by the end of the day. " Decide if the sentences are correct () or not ().correctincorrect
# 2เลือกประเภท"Before the class finishes, I will have completed the task. " Decide if the sentences are correct () or not ().correctincorrect
# 3เลือกประเภท"They have visited three countries by the end of their holiday. " Decide if the sentences are correct () or not ().correctincorrect
# 4เลือกประเภท"I will write two essays by the end of the week." Decide if the sentences are correct () or not ().correctincorrect