欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

--- You look ______,Paul. What’s the matter?--- I’m having trouble ______ math.
A．tired, to learnB．worried, learningC．frustrated, to learnD．angrily, learning
B
B 根據(jù)句意得知，Paul因不會數(shù)學題而顯得擔心、憂慮。故第一個空填worried；固定句型have trouble (in) doing sth.“做某事有困難”，故選B。
練習冊系列答案
相關習題

科目：初中英語 來源：不詳 題型：單選題

He is finishing _____ a funny story. And he is thinking about _____ to  Beijing for a vacation. 
A．to write, goingB．writing, to goC．writing, goingD．to write, to go

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

— Miss Yang doesn’t look well. What’s wrong with her?
— Oh, she has some trouble ______ her baby well.
A．take care ofB．looking afterC．taking afterD．to look after

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

--I don’t have a partner to practice English_____.
--Why not join an English language club to practice_____?
A．/; speakingB．with; to speakC．/; to speakD．with; speaking

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

----He always makes a lot of noise.
-------You’d better _______a quiet place_______.
A．find, studyB．to find, to studyC．to find, studyD．find, to study

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

You must be tired now. Why not ____ a rest?
A．to stop to haveB．to stop having
C．stop to haveD．stop having

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

—I’m sorry I forgot      the letter for you! I’m really busy these days”
—It doesn’t matter, I’ll post it myself.”
A．to postB．postingC．postD．posted

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

They are looking forward to ____ the examination． Then they will have a _____ holiday．
A．passing，relaxingB．pass，relaxing
C．passing，relaxedD．pass，relaxed

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

prefer     her some presents     her some money.
A．to buying；to givingB．to buy；to give
C．buy；giveD．buying；to giving

查看答案和解析>>

同步練習冊答案