He was walking along the sands ______ he saw a big footprint in the sand

Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.

Some cyclists make the ______ that traffic laws do not ______ them. It is not true, _____.

下列句子中不含通假字一项是(　　)

Please call me _____ 289-6578.