一 选择1. We were at the bookstore _9:00.A in B at C on2. He often goes shopping _Sunday afternoon.A at B in C on3. Most people go to work _Monday_Friday.A from, on B froem, to C between4. Lucy often helps me _my English.A with B to C for5. I am getting fat _this holiday.A on B in C at6. I want to buy gifts _my family.A to B at C for7.Grade Two is _the second floor.A in B on