ⅰ.单词拼写 1．if you want to take photos inside the church, you must ask for ________ (permit) first. 2．columbus was a great ________ (explore) who made four voyages to the west between 1492 and 1504. 3．it's difficult to find a ________ (solve) that we can all agree on. 4．among the guests at the party, the pianist was the most ________ (impress)． 5．most of us choose to use credit cards to buy things because of their ________
