1.Has he ... hard today?
a.were study
b. been studying
c. studying

2.Lisa ... (study) for six hours when her mother arrives.
a. had been studying
b.be study
c. will have been studying

3.She ... (recover) from her surgery by the time we visit her next Saturday.
a. have recover
b. will have recovered
c. had recovered

4.It ... and the road was covered in water.
a.was rain
b. had been raining
c. were raining

5.Sorry, I'm late. ... you ... for long?
a. have been waiting
b. has waiting
c. have waited

1 b (Present Perfect Continuous)

2 c (Future Perfect Continuous)

3 b (Future Perfect Continuous)

4 b (Past Perfect Continuous)

5 a (Present Perfect Continuous)