—I hear you run for half an hour every day. —Right, we have to. It is one of the ______ in our school.
----Have you ever been to Shanghai? ----Yes. I _____ there with my father last year.
---- Do you know the _____ of the stone? ---- Yes. It _____ about 200 kilos.
For most people, it’s very difficult to _____ air on the top of Qomolangma.
---- Do his pets ______ the cat? ----- Yes. He has three pet cats _____ this one.
_______ is the population of the city?