02:39
معايير دركر
1467 Views
02:58
مقياس الربحية
1255 Views
01:15
مقياس القيمة المضافة
1352 Views
03:45
شركة ستيرن
1103 Views
02:50
عناصر الاداء
1543 Views
04:11
Can as a Modal of Permission and Request
1631 Views
06:30
May as a Modal of Permission and Request
1817 Views
03:27
Polite Requests
1690 Views
04:35
Prepositions of Instruments and Means
1622 Views
09:35
Parallel Structure
1809 Views
03:10
Language Use
2236 Views
02:40
Writing Formal Letters
1673 Views
03:08
Meaning and Form
1694 Views
09:03
The Use of the Present Perfect
1641 Views
00:49
Key Words: Present Perfect
3590 Views
04:50
Have or Has
1586 Views
03:20
Since vs For
1764 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2250 Views
03:45
The Form of the Active Voice
1653 Views
03:29
What is the Passive Voice?
1693 Views
07:20
The Form of the Passive Voice
1664 Views
09:31
Changing from Active into Passive
1435 Views
01:59
The Tense of the Passive Voice
1705 Views
01:52
The Form of Irregular Verbs
1579 Views
01:56
READING COMPREHENSION &VOCABULARY
1572 Views
30:17
STRUCTURE
2691 Views
13:16
REWRITE SENTENCES
1386 Views
03:40
LANGUAGE USE & WRITING
2361 Views
02:36
تقييم الادارة العليا
2481 Views
04:00
مجالات الاداء
2078 Views