21.Some parts of the water are very shallow.But in some places it is very,very ____.
22.He _____ some unusual educational beliefs.
23.That motor cycle doesn’t _____ to Peter.
24.I will write to my mother,for I________ her yesterday.
(A)heard of(B)heard about
(C)heard from(D)listened to
25.Is this the reason _____ at the meeting for his carelessness in his work?
(A)he explained(B)what he explained
(C)how he explained(D)why he explained
26.---How did you enjoy the ball last night?---Very much.The underlined word means().
(A)a basketball(B)a ball-pen
(C)a party(D)a dance
27.____ the work was very difficult,they managed to finish it in time.
28.—Do I still have to change my clothes?—________.
(A)Let’s discuss that some time(B)The party begins at 2 pm
(C)Sure(D)don’t change your mind,please
29.You’d better take more sun().It is good to your health
30.'What can I do for you?'or'May I help you?'is a pet phrase used by()
(A)an assistant engineer(B)an assistant manager
(C)a helper(D)a shop assistant