02:39
معايير دركر
1487 Views
02:58
مقياس الربحية
1272 Views
01:15
مقياس القيمة المضافة
1367 Views
03:45
شركة ستيرن
1135 Views
02:50
عناصر الاداء
1573 Views
04:11
Can as a Modal of Permission and Request
1692 Views
06:30
May as a Modal of Permission and Request
1862 Views
03:27
Polite Requests
1714 Views
04:35
Prepositions of Instruments and Means
1660 Views
09:35
Parallel Structure
1839 Views
03:10
Language Use
2262 Views
02:40
Writing Formal Letters
1714 Views
03:08
Meaning and Form
1738 Views
09:03
The Use of the Present Perfect
1670 Views
00:49
Key Words: Present Perfect
3660 Views
04:50
Have or Has
1606 Views
03:20
Since vs For
1790 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2296 Views
03:45
The Form of the Active Voice
1685 Views
03:29
What is the Passive Voice?
1722 Views
07:20
The Form of the Passive Voice
1698 Views
09:31
Changing from Active into Passive
1461 Views
01:59
The Tense of the Passive Voice
1735 Views
01:52
The Form of Irregular Verbs
1605 Views
01:56
READING COMPREHENSION &VOCABULARY
1598 Views
30:17
STRUCTURE
2723 Views
13:16
REWRITE SENTENCES
1405 Views
03:40
LANGUAGE USE & WRITING
2415 Views
02:36
تقييم الادارة العليا
2522 Views
04:00
مجالات الاداء
2100 Views