02:39
معايير دركر
1316 Views
02:58
مقياس الربحية
1155 Views
01:15
مقياس القيمة المضافة
1256 Views
03:45
شركة ستيرن
958 Views
02:50
عناصر الاداء
1389 Views
04:11
Can as a Modal of Permission and Request
1285 Views
06:30
May as a Modal of Permission and Request
1473 Views
03:27
Polite Requests
1490 Views
04:35
Prepositions of Instruments and Means
1393 Views
09:35
Parallel Structure
1581 Views
03:10
Language Use
2009 Views
02:40
Writing Formal Letters
1423 Views
03:08
Meaning and Form
1436 Views
09:03
The Use of the Present Perfect
1390 Views
00:49
Key Words: Present Perfect
3268 Views
04:50
Have or Has
1384 Views
03:20
Since vs For
1571 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1885 Views
03:45
The Form of the Active Voice
1424 Views
03:29
What is the Passive Voice?
1470 Views
07:20
The Form of the Passive Voice
1424 Views
09:31
Changing from Active into Passive
1223 Views
01:59
The Tense of the Passive Voice
1444 Views
01:52
The Form of Irregular Verbs
1371 Views
01:56
READING COMPREHENSION &VOCABULARY
1355 Views
30:17
STRUCTURE
2434 Views
13:16
REWRITE SENTENCES
1182 Views
03:40
LANGUAGE USE & WRITING
1964 Views
02:36
تقييم الادارة العليا
2140 Views
04:00
مجالات الاداء
1829 Views