Grammar exercise 1 of 3 语法练习1
Use 吗、呢 as “吗 (ma) and 呢 (ne): the two Chinese question particles” explains it, through 10 items over 7 of its example sentences: fill the gap where the word was taken out, and put the words of each sentence back in order.
吗 (ma) and 呢 (ne): the two Chinese question particles
10 items. Each one you miss comes back later in the same sitting.