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.