21. --- I want some information on _______ package tour to Thailand.
--- Ok, it costs $400, including _______ accommodation.
A. 不填; the B. a; an C. the; an D. the; 不填
22. --- I don’t think our coach knows the real reason for our losing the match.
--- Well, surprisingly, he does. Our team leader has been called in and _______ now.
A. has been questioned B. is being questioned
C. is questioning D. has questioned
