You see the lightning _____ it happens, but you hear the thunder later.
_____ is mentioned above, the number of the students in the senior schools is increasing. A which B As C That D It
How are you going to _______ such problems?
Some pre-school children go to a day care center, ______ they learn simple games and songs.
The boys were playing football on the ground. Sam didn’t want to _______ them.
When you are home, give a call to let me know you ______ safely.