# 1เลือกประเภทWhich sentence is correct?Mathematics are my favorite subject.Mathematics is my favorite subject.Mathematics were my favorite subject.Mathematics be my favorite subject.
# 2เลือกประเภทHow is the sentence 'Father is building a house' changed into passive voice?A house is built by father.A house is being built by father.A house was built by father.A house has been built by father.
# 3เลือกประเภทWhich of the following sentences is in passive voice?Father has built a house.A house has been built by father.Father builds a house.Father is building a house.
# 4เลือกประเภทConvert the sentence 'Father will build a house' into passive voice.A house will be built by father.A house will have been built by father.A house will be being built by father.A house is built by father.