must go there earlier. John has suggested that I ________ an hour before the discussion begins.

With a lot of problem ________, the newly – elected president is having a hard time.

Miss Li has taught ____ English for about 3 years. —You are lucky. ____ is a very good teacher.

Both the summer and the winter Olympic Games are held every four years on a _______ basis.

West of our school ______ many barbecue stands, where many students like to go after school.