The first group was given five doses______weekly intervals.A．atB．inC．onD．for

What does Mrs. Leech say about the classes in her school？A．There are five or six groups in

What was the topic of the first report given？A．Hiring challengesB．Management changesC．Fina

He first entered the country on a six－month visa, and was given a further ______ of si

The first group of students making the journey to the Scottish capital to perform. theater

Of the reptile groups the snake group was the

______ before his first performance for the amateur dramatic group was a success.A.Though