If you want to get good grades, ____________, you should listen to the teacher _________ in class.
Don’t do homework and listen to MP4 player ________.[ ]
If you keep on working hard and never give up , you’ll ________ in getting into your dream university.
Don’t plan ________ driving a car there.[ ]
Do you think necessary to do a bird count ?Yes , we must count them at least once a year