21. ________ he loved acting, he refused to give up his dream of being in the movies
A. Because B. If C. While D. Though
22. –Hi, Terry, can I use your computer for a while this afternoon?
–Sorry. ______.
A. It’s repaired B. It has been repaired C. It’s being repaired D. It had been repaired
23. Get up early, you will be late!
A. and B. otherwise C. then D. but