02:39
معايير دركر
1367 Views
02:58
مقياس الربحية
1173 Views
01:15
مقياس القيمة المضافة
1280 Views
03:45
شركة ستيرن
991 Views
02:50
عناصر الاداء
1423 Views
04:11
Can as a Modal of Permission and Request
1381 Views
06:30
May as a Modal of Permission and Request
1584 Views
03:27
Polite Requests
1576 Views
04:35
Prepositions of Instruments and Means
1481 Views
09:35
Parallel Structure
1669 Views
03:10
Language Use
2098 Views
02:40
Writing Formal Letters
1511 Views
03:08
Meaning and Form
1528 Views
09:03
The Use of the Present Perfect
1474 Views
00:49
Key Words: Present Perfect
3364 Views
04:50
Have or Has
1468 Views
03:20
Since vs For
1652 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1996 Views
03:45
The Form of the Active Voice
1506 Views
03:29
What is the Passive Voice?
1556 Views
07:20
The Form of the Passive Voice
1522 Views
09:31
Changing from Active into Passive
1307 Views
01:59
The Tense of the Passive Voice
1553 Views
01:52
The Form of Irregular Verbs
1453 Views
01:56
READING COMPREHENSION &VOCABULARY
1436 Views
30:17
STRUCTURE
2538 Views
13:16
REWRITE SENTENCES
1262 Views
03:40
LANGUAGE USE & WRITING
2082 Views
02:36
تقييم الادارة العليا
2232 Views
04:00
مجالات الاداء
1888 Views