02:39
معايير دركر
1152 Views
02:58
مقياس الربحية
1016 Views
01:15
مقياس القيمة المضافة
1055 Views
03:45
شركة ستيرن
836 Views
02:50
عناصر الاداء
1235 Views
04:11
Can as a Modal of Permission and Request
1006 Views
06:30
May as a Modal of Permission and Request
1269 Views
03:27
Polite Requests
1292 Views
04:35
Prepositions of Instruments and Means
1214 Views
09:35
Parallel Structure
1388 Views
03:10
Language Use
1836 Views
02:40
Writing Formal Letters
1212 Views
03:08
Meaning and Form
1247 Views
09:03
The Use of the Present Perfect
1202 Views
00:49
Key Words: Present Perfect
2783 Views
04:50
Have or Has
1221 Views
03:20
Since vs For
1410 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1581 Views
03:45
The Form of the Active Voice
1259 Views
03:29
What is the Passive Voice?
1294 Views
07:20
The Form of the Passive Voice
1265 Views
09:31
Changing from Active into Passive
1049 Views
01:59
The Tense of the Passive Voice
1271 Views
01:52
The Form of Irregular Verbs
1189 Views
01:56
READING COMPREHENSION &VOCABULARY
1174 Views
30:17
STRUCTURE
2235 Views
13:16
REWRITE SENTENCES
1006 Views
03:40
LANGUAGE USE & WRITING
1651 Views
02:36
تقييم الادارة العليا
1918 Views
04:00
مجالات الاداء
1631 Views