Fill in the correct verb form

问题描述:

Fill in the correct verb form
16.He usually____(take) his children to parks on Sundays.
17.Look.The bus ____(come) this way.
18.While he_____( read),the phone rang.
19.Tom told me that he ____(be) away from Shanghai for five years.
20.No sooner____ he ____(leave) than it rained.

16.takes
17.is coming
18.was reading
19.had been
20.did leave