I came home and invited Dad to go sailing. Out we set soon on the _____ lake.
A girl on the bus begin to sing a pop song and soon all the other students _________.
---Why were you late for school today? ----It was ________ I help catch a thief on the bus.
To tell the truth, it’s the first time that I _______ western food.
I have the details _________ here in my notebook , which you can refer to.
The number of the students in our class __________ to 54.