在学习英语的过程中，掌握各种时态是非常重要的。今天我们要练习的是英语的现在时态，它包括现在简单时、现在进行时和现在完成时。这些时态能够帮助我们准确地表达正在发生的动作、一般性的事实或者是已经完成但与现在有关的动作。通过下面的练习，你可以检验和加强对英语现在时态的理解和运用。
现在时态的用法看似简单，实则有不少细节需要注意。例如，现在进行时通常用来表达正在进行的动作，但在某些情况下也可以用来描述计划或安排好的未来活动。而现在完成时则表示过去发生且对现在造成影响的动作或状态。为了帮助大家更好地学习这些知识点，我们设计了两组练习，让你在填空中练习正确使用不同的现在时态。
练习一：现在简单时
She *eats* (usually) breakfast at 7 a.m.
He *works* (not) on Sundays.
The Earth *revolves* (around) the sun.
Cats *prefer* (to) sleep during the day.
Water *boils* (at) 100 degrees Celsius.
I *do* (not) like anchovies on my pizza.
They *speak* (three) languages fluently.
My sister *plays* (the) violin very well.
Our teacher *gives* (us) a lot of homework.
It *rains* (a lot) in the spring.
Birds *fly* (south) for the winter.
My brother *takes* (his) dog for a walk every morning.
Mary *studies* (hard) for her exams.
Light *travels* (at) the speed of light.
He *has* (breakfast) at eight o’clock.
练习二：现在进行时和现在完成时
I *am studying* (right now) for my English test.
They *have been* (together) for five years.
She *is sitting* (next) to her friend.
We *are not watching* (TV) at the moment.
He *has finished* (his) dinner already.
The kids *are playing* (outside) in the garden.
I *have never seen* (such) a beautiful sunset.
It *has been* (raining) all day.
You *are making* (too) much noise.
She *has been reading* (that) novel for two months.
They *are thinking* (about) moving to a new city.
He *is constantly talking* (about) soccer.
I *have lost* (my) keys somewhere.
The teachers *are discussing* (the) new curriculum.
We *have been waiting* (for) over an hour.
