02:39
معايير دركر
1383 Views
02:58
مقياس الربحية
1182 Views
01:15
مقياس القيمة المضافة
1294 Views
03:45
شركة ستيرن
1007 Views
02:50
عناصر الاداء
1441 Views
04:11
Can as a Modal of Permission and Request
1413 Views
06:30
May as a Modal of Permission and Request
1626 Views
03:27
Polite Requests
1593 Views
04:35
Prepositions of Instruments and Means
1498 Views
09:35
Parallel Structure
1685 Views
03:10
Language Use
2111 Views
02:40
Writing Formal Letters
1527 Views
03:08
Meaning and Form
1545 Views
09:03
The Use of the Present Perfect
1492 Views
00:49
Key Words: Present Perfect
3388 Views
04:50
Have or Has
1484 Views
03:20
Since vs For
1670 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2043 Views
03:45
The Form of the Active Voice
1522 Views
03:29
What is the Passive Voice?
1570 Views
07:20
The Form of the Passive Voice
1538 Views
09:31
Changing from Active into Passive
1318 Views
01:59
The Tense of the Passive Voice
1584 Views
01:52
The Form of Irregular Verbs
1469 Views
01:56
READING COMPREHENSION &VOCABULARY
1453 Views
30:17
STRUCTURE
2559 Views
13:16
REWRITE SENTENCES
1278 Views
03:40
LANGUAGE USE & WRITING
2123 Views
02:36
تقييم الادارة العليا
2271 Views
04:00
مجالات الاداء
1915 Views