21. Actors should be good observers, watching people’s body language and speaking style, and this into their own abilities to progress in acting.
A. transferring B. transforming C. transmitting D. transporting
22. — What should we avoid when we work out in summer?
— ______ when the temperature is over 32℃.
A. To run B. Running C. Having run D. To have run
23. What made them miss the deadline was not their lack of funding, but their lack of planning.
A. even B. ever C. rather D. still
