The ______ boy was last seen ______ near the East Lake.

The ______ boy was last seen ______ near the East Lake.
A) missing; playing
B) missing; play
C) missed; to play
D) missed; played
17.In this way,you can _______ the math problem easily.
A) work on
B) work over
C) work out
D) work at
18.–Have you heard the story of “The Merchant of Venice”?
- No.When and where does the story ______
A) take on
B) take up
C) take off
D) take place
19.It is said that the coming storm will _______ the growth of crops.
A) cause
B) produce
C) affect
D) effect
20.Helen was much kinder to her youngest son than to the others,______ of course,made the others envy him.
A) what
B) which
C) that
D) who
21.It is clear ______ us now that the houses _______ by the same thief.
A) of,broke in
B) to,were broken in
C) for,broke in
D) for,were broken in
22.—What do you think of the colors of the coat and trousers?
—They don't _______,I think.
A) suit
B) mix
C) match
D) compare
23.The man ______ leg broke in a match used to be a football player.
A) whose
B) who
C) his
D) that
24.There was such a long line at the exhibition _______ we had to wait for about half an hour.
A) as
B) that
C) since
D) so
25.It took us quite a long time to get there.It was ______ journey.
A) a three hour
B) a three-hour
C) three hours
D) three hour
26.When she saw the ______ tiger,her face turned pale _______.
A) frightened,with fear
B) frightening,at fear
C) frightening,with fear
D) frightened,at fear
27.I am afraid that I will never have the ______ of hearing him play the piano.
A) situation
B) opportunity
C) solution
D) means
28.I was _______ the stairs all day answering the door.
A) up and down
B) down and up
C) up and about
D) up against
29.He glanced over at her,______ that though she was tiny,she seemed very well put together.
A) noted
B) having noted
C) to note
D) noting
30.Recently I bought an ancient Chinese vase,______ was very reasonable.
A) the price of which
B) its price
C) the price of whose
D) which price
31.Betty,______ has never been abroad,is studying English very well.
A) who
B) her
C) that
D) she
32.I hear he will go ______ next week.
A) to abroad
B) to a abroad
C) abroad
D) to the abroad
33.We walked as fast as we could,______ to catch the early train.
A) having hoped
B) hoping
C) hoped
D) for hoping
34.She wrote ______ to the publishing house.In the end she succeeded.
A) a letter after a letter
B) article after article
C) one letter or the other
D) letters after letters
35.–Tom is never late for work.Why is he absent today?
-Something ______ to him.
A) could have happened
B) must have happened
C) should have happened
D) must happen