Question

The last time we had great fun was ________ we were visiting the Water Park. A．where B．how .

The last time we had great fun was ________ we were visiting the Water Park. A．where B．how C．when D．why

Answer 1

C

句意：我们最后一次开心地玩是我们去水上乐园时。故这里用when来引导表语从句。