что нужна вставить и написать​

1. two new engineers just were introduced to the head of the department.2. i am sure i will be asked at the lesson tomorrow.3. they told me that the new student was spoken much about.4. he said that the grandmother's letter was received the day before.5. this new dictionary was sold everywhere now.6. all the texts were looked through yesterday and a single mistake was found.

good evening.

hello!

let me introduce my friend alex.

pleased to meet you.

i haven't seen you for ages.

i didn't recognize you!

i'll see you tomorrow then.

goodbye!

how are you?

fine,thanks.

excuse me,is anybody sitting here?

i'm afraid this seat is taken.

saratov - largest city in the south-east of european russia, the administrative center of saratov region, which has the status of urban district (the official name - the municipality "city of saratov" [2]).located on the right bank of the volgograd reservoir, approximately equidistant from the volgograd and samara.founded as a fortress guarding to protect the southern borders of the russian state in 1590, during the reign of fedor ivanovich. in the second half of xviii century, a major transshipment point and center of trade in fish and salt, and the xix century - the grain. provincial capital since 1780, at the beginning of the xx century - the largest by population city on the volga. since 1909, there is the university.during the industrialization of the 1930s were built large machine-building plants, and after the war - and radio-electronic instrument-making enterprises of the defense structure. the city became an important scientific and production center.