We often go home _________ 4:30 _________ the afternoon.[ ]

No matter _____ the weather is like, you can always find surfers out riding the waves.[ ]

Li Ping,what are you doing now? Why is the room_________smoke?[ ]

I had no one ___ me, for I could deal with it all by myself.

How was ___ dinner at Mary’s house ?— Great . Her dad is ____ wonderful chef.