——What ____________ you _____________ last weekend?——I wrote some letters and read a book.
A：do, do
B：did, do
C：will, do
D：have, done
给下面字加部首组成字，再组词语。
宿 ____ ____ 每 ____ ____ 余 ____ ____
杂技演员表演独轮车走钢丝，车轮的直径为40厘米，要骑过100米长的钢丝，车轮大约转动多少周？
