My friend Jack has just sent me an e-mail, telling me about his travels around the world. He has just been (just be) to Qomolangma Base Camp and ___1__ (see) a Yeti there. He is still very excited about it. He ___2______ (visit) the Great Pyramid in Egypt too. He says that he ____3__(love) Egypt but he ____4________(not visit) all the pyramids yet. He ____5_____ (swim) in Loch Ness, but luckily he ______6_______ (never meet) the Loch Ness Monster! He ____7______ (dive) in the Indian Ocean many times looking for treasure. Although he ___8____ (find)many sunken ships, he ___9_______ (not find) any treasure. __10____ he _10___ (be)to the Great Wall before? I’m not sure—but I have.