Fill in the gap with the appropriate grammar form:

Pioneer III, _______ on December 6, 1958, entered an

elliptic orbit with an apogee distance of 107,000 km.

Fill in the gap with the appropriate grammar form:

The nucleus of an ordinary hydrogen atom consists

of one proton, with one electron ________ round it.

Fill in the gap with the appropriate grammar form:

This substance darkens when ______ with electrons.

Fill in the blank with a suitable present participle:

See baby ________ easily.

Which sentence contains Complex Object?

Combine sentences using Complex Object:

I heard him. He was speaking  English fluently.

Choose the correct item:

We suppose the recent sensational

Choose the correct item:

The specialists watched the new measuring device _______ in the laboratory.

Choose the correct item:

We think them __________ no problems with finding jobs according to

their qualification.