---Is the door_____now? It’s so cold.---Sorry,I will keep the door________.
. 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.