How was it that we were able to _____ untold hardships, overcome the most difficult and dangerous conditions and bring the revolution to victory? [ ]

It is these poisonous products_____can cause the symptoms of the flu , such as headache and aching muscles .

What ____ pity! All the passengers on board were killed in the German air crash!—I’m really sorry to hear that. Everyone takes _____ pity on them.

2—What about seeing a film after dinner?—_______

We can use QQ to talk with each other online. –Good!Will you please show me ______it