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题目
题型:专项题难度:来源:
Selecting a mobile phone for personal use is no easy task because technology _____ so rapidly.

[     ]

A. is changing
B. has changed
C. will have changed
D. will change
答案
A
核心考点
试题【Selecting a mobile phone for personal use is no easy task because technology ___】;主要考察你对现在进行时等知识点的理解。[详细]
举一反三
I want to know when he _____ for New York. 
A. has left
B. is leaving
C. had left
D. would leave
题型:专项题难度:| 查看答案
They don"t buy any new clothes because they _____ money to buy a big house.
A. save
B. are saving
C. is saving
D. were saving
题型:专项题难度:| 查看答案
— I"m going to the States.
— How long _____ you _____ in the States? [     ]
A. are; stayed
B. are; staying
C. have; stayed
D. did; stay
题型:专项题难度:| 查看答案
Look! The twins _____ their mother do the housework.
A. are wanting
B. help
C. are helping
D. are looking
题型:专项题难度:| 查看答案
Is she _____ something?
A. eat
B. eating
C. eaten
D. eats
题型:专项题难度:| 查看答案
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