______ he was exercising at the park yesterday morning, he found a purse under the tree.A. While B. Before C. Though
This computer is the best one ____ the shop, but it is also the most expensive ___all the computers.
—Mum, could I have __________ bread? —Of course.
----What’s your best friend like? ----________________________
Millie has _____free time than Sandy because she has____ work to do than Sandy.
----Do you often use Baidu? ----Yes, it’s one of ___________Internet search engines.