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 never know how much difficulty we had ______the problem. Luckily, we managed to solve it with Mrs Wu’s help.

A．working out B．work out
C．worked out D．to work out

A

解析試題分析：句意:你不知道做出這個(gè)問題有多么困難。幸運(yùn)的是，我們在吳老師的幫助下，把它解決了。work out 計(jì)算出，做出。本句中使用的句型是have difficulty in doing sth. 做某事有困難，句型中的in 可以省略。因此這里應(yīng)該用動(dòng)名詞形式。故選A。
考點(diǎn)：考查動(dòng)詞短語。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源： 題型：單選題

----Why do you eat so little?
-----I’m afraid I have to be on a diet. I have_____ a lot.

A．put upB．put on
C．put offD．put away

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

If it_____ sunny tomorrow. I___ fishing.
A. is; go     B. will be; go      C. is; will go

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

Jenny is very kind, and she often ________ her toys with her friends.

A．shows B．gives
C．brings D．shares

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

The girl is good at____chess.

A．to playB．plays
C．playingD．play

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

Jacky is so careless. He     my books and pens    the floor when he walked past my desk just now.

A．turned; over B．knocked; onto
C．knocked; over D．turned; onto

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

Amy likes _______. She is a good _______.

A．swim, swimming B．swimming, swimmer
C．swimmer, swimming D．to swim, swim

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

—It’s necessary and important for them students at school to join the Clean Plate Campaign. It’s good for them to form good habits.
—Sure. We should try to _______ all the food that we’ve ordered.

A．give upB．eat up
C．turn upD．show up

查看答案和解析>>

科目：初中英語 來源： 題型：單選題

Mrs. Green warned us ______ more water because of the hot weather.

A．drinking B．to drink
C．to drinking D．drink

查看答案和解析>>

同步練習(xí)冊答案