C/
I/
/eə/:bear,pear,hair,tear,chair,wear,square,where,area,parents,share,their.
/ɪə/:ear,here,near,clear,cheer,beer,hear,year.
II/
1.D
2.C
3.C
4.B
5.A
III/
1.(-)She didn't buy a new dress yesterday.
(?)Did she buy a new dress yesterday?
2.(-)They weren't late for school
(?)Were they late for school?
3.(-)She didn't go to school yesterday.
(?)Did she go to school yesterday?
4.(-)I didn't drive carelessly yesterday.
(?)Did you drive carelessly yesterday?
5.(-)I wasn't ill last week.
(?)Were you ill last week?
6.(-)He didn't stop his car to take a photograph.
(?)Did he stop his car to take a photograph?
7.(-)She didn't wait for you two hours.
(?)Did she wait for you two hours?
8.(-)She didn't live in New York in 2009.
(?)Did she live in New York in 2009?
9.(-)It didn't rain heavily two days ago.
(?)Did it rain heavily two days ago?
10.(-)He didn't finish his homework last night.
(?)Did he finish his homework last night?
IV/
1.Saw
2.Bought
3.Were
4.Was
5.Wore
6.Took
7.Decorated
8.Taught
9.Decided
10.Received
11.Spoke
12.Wrote
13.Borrowed
14.Watched
15.Sent
Chúc bạn học tốt.