Grammar present perfect continuous and whatver/whenever/...

She ... been dancing for an hour

• has

• have

• had

• is

Why is he so tired? He ... been playing tennis for five hours.

• has

• have

• had

• is

How long ... you been learning English?

• has

• have

• had

• are

The film ... not been playing for ten minutes.

• has

• have

• had

• was

Kaira hasn't been ... (talk) since 15 minutes ago.

• talk

• talking

• talked

• talks

What have you been ... (do) since morning?

• do

• did

• doing

• does

She hasn't ... doing her homework since last month.

• be

• been

• being

• bees

Crocodiles ... living in this swamp for milions of years.

• has been

• have been

• had been

• are

Riko has been ... (study) hard this semester.

• studied

• studies

• studying

• study

Has it ... raining since you arrived?

• be

• been

• being

• is