30.一Cydia,what did you hear our teacher said just now?一Every boy and every girl as well as the teacher who___to lead the group____asked to be at the school gate before 6:30 in the morning
Is it true that light travels in a straight line and never ______ it hits something that reflects it.
You have to keep on learning if you want to keep ______ with the development of modern science and technology.
Go about your business your own way. Don’t _____what others think or say.
It might be very difficult to find the ____ of the information.
Even though she has many ______, I _______ any less.