so - such, An exercise

 

 Click on the picture to do the exercise. 

Interrogative pronouns. An exercise

 Click on the picture to do the exercise

Lower test 176

 Click on the picture to do the test

Irregular verbs. An exercise

 Click on the picture to do the exercise

 

Intermediate test 235

 Click on the picture to do the test

Verbs with prepositions. An exercise

Click on the picture to do the exercise 

Lower test 175

Click on the picture to do the test.

Neither do I. An exercise

 Click on the picture to do the exercise

Proficiency test 12

 Click on the picture to do the test

Intermediate test 233

 Click on the picture to do the test

Lower test 174

 Click on the picture to do the test

Passive Voice. An exercise

 Click on the picture to do the exercise

me - my - mine. An exercise

 Click on the picture to do the exercise

Intermediate test 233

 Click on the picture to do the test

Gerund. An exercise

 Click on the picture to do the exercise

(Don't forget the full stop!)