Here's the exercise 'Present Continuous vs. Present Perfect Continuous | Exercise follow Topic' about Exercise follow Topic. It's practise the Exercise follow Topic.
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Exercise follow Topic, English grammar in here.
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Test content
A. are playing
B. have been playing
A. is sitting
B. has been sitting
A. am studying
B. have been studying
A. is staying
B. has been staying
A. is staying
B. has been staying
A. is preparing
B. has been preparing
A. am teaching
B. have been teaching
A. is waiting
B. has been waiting
A. is working
B. has been working
A. are wasting
B. have been wasting
A. am waiting
B. have been waiting
A. is working
B. has been working