02:39
معايير دركر
1276 Views
02:58
مقياس الربحية
1127 Views
01:15
مقياس القيمة المضافة
1160 Views
03:45
شركة ستيرن
922 Views
02:50
عناصر الاداء
1359 Views
04:11
Can as a Modal of Permission and Request
1238 Views
06:30
May as a Modal of Permission and Request
1411 Views
03:27
Polite Requests
1424 Views
04:35
Prepositions of Instruments and Means
1355 Views
09:35
Parallel Structure
1522 Views
03:10
Language Use
1970 Views
02:40
Writing Formal Letters
1375 Views
03:08
Meaning and Form
1384 Views
09:03
The Use of the Present Perfect
1341 Views
00:49
Key Words: Present Perfect
3181 Views
04:50
Have or Has
1348 Views
03:20
Since vs For
1533 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1801 Views
03:45
The Form of the Active Voice
1387 Views
03:29
What is the Passive Voice?
1431 Views
07:20
The Form of the Passive Voice
1388 Views
09:31
Changing from Active into Passive
1180 Views
01:59
The Tense of the Passive Voice
1406 Views
01:52
The Form of Irregular Verbs
1329 Views
01:56
READING COMPREHENSION &VOCABULARY
1320 Views
30:17
STRUCTURE
2380 Views
13:16
REWRITE SENTENCES
1151 Views
03:40
LANGUAGE USE & WRITING
1875 Views
02:36
تقييم الادارة العليا
2059 Views
04:00
مجالات الاداء
1776 Views