02:39
معايير دركر
1432 Views
02:58
مقياس الربحية
1232 Views
01:15
مقياس القيمة المضافة
1329 Views
03:45
شركة ستيرن
1053 Views
02:50
عناصر الاداء
1491 Views
04:11
Can as a Modal of Permission and Request
1568 Views
06:30
May as a Modal of Permission and Request
1750 Views
03:27
Polite Requests
1651 Views
04:35
Prepositions of Instruments and Means
1572 Views
09:35
Parallel Structure
1767 Views
03:10
Language Use
2189 Views
02:40
Writing Formal Letters
1623 Views
03:08
Meaning and Form
1644 Views
09:03
The Use of the Present Perfect
1587 Views
00:49
Key Words: Present Perfect
3502 Views
04:50
Have or Has
1548 Views
03:20
Since vs For
1724 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2182 Views
03:45
The Form of the Active Voice
1612 Views
03:29
What is the Passive Voice?
1648 Views
07:20
The Form of the Passive Voice
1618 Views
09:31
Changing from Active into Passive
1394 Views
01:59
The Tense of the Passive Voice
1667 Views
01:52
The Form of Irregular Verbs
1531 Views
01:56
READING COMPREHENSION &VOCABULARY
1535 Views
30:17
STRUCTURE
2646 Views
13:16
REWRITE SENTENCES
1350 Views
03:40
LANGUAGE USE & WRITING
2260 Views
02:36
تقييم الادارة العليا
2409 Views
04:00
مجالات الاداء
2032 Views