A. a B. an C. the

A. an; an B. an; a C. a; an D. a; a

A. a B. an C. the D. /

(1) Good evening, Cindy! How  your mother?  (2) It's a Saturday morning. Let's have a walk in the park. (3) This  is beautiful. I like it very much. (4) Boys and girls! look at the blackboard.  (5) There is " h" in the word " hello ".

(1) 一位美国作家   (2) 取名    (3) 在19世纪60年代   (4) 教师节    (5) 妇女节    (6) 国庆节            (7) 儿童节                               (8) 元旦                 (9) 五一劳动节                  (10) 发现；查明；弄清   (11) 在……岁时                       

(1) milk is food. milk in this cup has gone bad.  (2) —Do you like playingfootball?

—Yes. But I have onlybasketball. 

(3) Do you knowgirl onanother side oflake? (4) There's"u" and"s" inword "use". (5) She saysanimals cant's live withoutair, either.  (6) His father, honest man, is teaching inuniversity.  (7) Which is heavier, elephant orhorse? (8) cold wind was blowing from the north.  (9) He is always ready to helpold andyoung.  (10) Greens are traveling inSouth China.

A. a,an B. the,an C. a,the D. the, a

A. a, the B. a, a C. a,/ D. /,the

A. a B. an C. the D. /