【单选题】【消耗次数：1】
I have spent a lot of time_______repairing the machine.
①
at
②
/
③
on
参考答案：
复制
纠错
➡️如需代学继续教育，联系微信：yizhituziang
相关题目
【判断题】
A: Have you been wasting time on computer games again? B: Not really. I’ve been studying a lot and I need a break.
①
正确
②
错误
【单选题】
I [填空]talk to everyone a lot,but now we communicate by email most of the time.
①
use to
②
used to
③
am used to
④
using to
【单选题】
Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
①
have been ； left
②
had been ； left
③
have been ；had left
④
went ；had left
【单选题】
Tom: It’s the most delicious fruit I have had a long time.
①
I’m so glad you like it.
②
You are not hungry now.
③
I like eating this fruit, too.
④
You should like it.
【单选题】
With so much I am not sure if Ill have time for the game.
①
do
②
doing
③
did
④
to do
【单选题】
I am sorry I have no time at present to ____ more detail or give you an account of other cities of interest.
①
bring into
②
take into
③
come into
④
go into
随机题目
【单选题】
Photoshop中在使用矩形选框工具的情况下，按住哪两个键可以创建一个以落点为中心的正方形的选区。
①
Ctrl+Alt键
②
Ctrl+Shift键
③
Alt+Shift键
④
Shift键
【单选题】
下列关于滤镜操作原则哪个是正确的？
①
滤镜不仅可用于当前可视图层，对隐藏的图层也有效。
②
不能将滤镜应用于位图模式（Bitmap）或索引颜色（IndexColor）的图像。
③
滤镜只对RGB图像起作用。
④
滤镜不可用于16位/通道图像。