02:39
معايير دركر
1379 Views
02:58
مقياس الربحية
1180 Views
01:15
مقياس القيمة المضافة
1290 Views
03:45
شركة ستيرن
1002 Views
02:50
عناصر الاداء
1432 Views
04:11
Can as a Modal of Permission and Request
1398 Views
06:30
May as a Modal of Permission and Request
1613 Views
03:27
Polite Requests
1585 Views
04:35
Prepositions of Instruments and Means
1493 Views
09:35
Parallel Structure
1679 Views
03:10
Language Use
2106 Views
02:40
Writing Formal Letters
1524 Views
03:08
Meaning and Form
1539 Views
09:03
The Use of the Present Perfect
1484 Views
00:49
Key Words: Present Perfect
3380 Views
04:50
Have or Has
1478 Views
03:20
Since vs For
1663 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2025 Views
03:45
The Form of the Active Voice
1519 Views
03:29
What is the Passive Voice?
1567 Views
07:20
The Form of the Passive Voice
1535 Views
09:31
Changing from Active into Passive
1315 Views
01:59
The Tense of the Passive Voice
1576 Views
01:52
The Form of Irregular Verbs
1466 Views
01:56
READING COMPREHENSION &VOCABULARY
1446 Views
30:17
STRUCTURE
2550 Views
13:16
REWRITE SENTENCES
1273 Views
03:40
LANGUAGE USE & WRITING
2118 Views
02:36
تقييم الادارة العليا
2253 Views
04:00
مجالات الاداء
1908 Views