用所给的适当形式完成句子。 1. Theyenjoyed themselves _________ (take) a trip to Los Angeles. 2. Well, we set tests every month _________ (check) our students’progress. 3. In this sports club, you can choose _________ (play) tennis,volleyball or basketball. 4. Could you please take the two blank _________ (form) to Ms Jones? 5. Look at this maths problem and tell me your_________ (person) choice, Mike.