In the Chinese language, “吗(ma)”, “啊(a)” and “呀(ya)” are modal particles. They are used in a sentence to express certain tones.
Usually, “啊(a)” and “呀(ya)” are used in sentences to form the exclamatory tone, which are often meant to express the emotions of surprise, praise, excitement, anger etc.
Wǒ bùxiǎng shuōhuǎng a!
我 不想 说谎 啊！
I don’t want to lie!
Zhèlǐ de fēngjǐng duō měi ya!
这里 的 风景 多 美 呀！
The scenery here is so beautiful!
“吗(ma)” is a question particle. It is used at the end of a sentence to indicate a question.
Nǐ xǐhuan hēchá ma?
你 喜欢 喝茶 吗？
Do you like to drink tea?
Nǐ míngtiān qù páshān ma?
你 明天 去 爬山 吗？
Will you go to climb the mountain tomorrow?
The term “好吗(hǎoma), okay” is used at the end of a sentence as an expression to inquire whether others agree with a need, request, or suggestion.
Míngtiān qù gōngyuán, hǎoma?
明天 去 公园， 好吗？
Let’s go to the park tomorrow, okay?
Nǐ bāng wǒ mǎi yígè bēizi, hǎoma?
你 帮 我 买 一个 杯子，好吗？
Help me buy a cup, okay?
In the test Tom suggests eating pizza and he wants to make sure Isabel agrees with him so he asks her opinion. For this we should choose “吗(ma)” as the answer.