21. The Police in Hubei province _______ last Tuesday they had arrested 7 people for their suspected roles in a shooting killing 1 and injuring 10 others on Monday evening.
A. has said B. said C. had said D. says
21. 答案B。考查动词时态。由于上个星期二说的，所以用一般过去时。
22. The fireman told us the troubles they had _______ the fire _______.
A. getting, controlled B. got, controlled C. got, controlled D. getting, to control
22. 答案A。 考查非谓语动词。第一空为固定句型 have some trouble (in) doing sth.; 第二空为get sth. done的结构。
