03:34
مشكلات قياس الاداء
1251 Views
05:30
مقاييس الاداء
1287 Views
04:00
مجالات الاداء
1674 Views
02:36
تقييم الادارة العليا
1948 Views
03:40
LANGUAGE USE & WRITING
1720 Views
13:16
REWRITE SENTENCES
1051 Views
30:17
STRUCTURE
2290 Views
01:56
READING COMPREHENSION &VOCABULARY
1228 Views
01:52
The Form of Irregular Verbs
1240 Views
01:59
The Tense of the Passive Voice
1319 Views
09:31
Changing from Active into Passive
1099 Views
07:20
The Form of the Passive Voice
1312 Views
03:29
What is the Passive Voice?
1345 Views
03:45
The Form of the Active Voice
1305 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1631 Views
03:20
Since vs For
1455 Views
04:50
Have or Has
1267 Views
00:49
Key Words: Present Perfect
2886 Views
09:03
The Use of the Present Perfect
1253 Views
03:08
Meaning and Form
1297 Views
02:40
Writing Formal Letters
1271 Views
03:10
Language Use
1884 Views
09:35
Parallel Structure
1436 Views
04:35
Prepositions of Instruments and Means
1267 Views
03:27
Polite Requests
1341 Views
06:30
May as a Modal of Permission and Request
1320 Views
04:11
Can as a Modal of Permission and Request
1066 Views
02:50
عناصر الاداء
1273 Views
03:45
شركة ستيرن
861 Views
01:15
مقياس القيمة المضافة
1086 Views