tests by here4u with the online test builder (670 tests)

641. Tenses in a text : Billy Weaver (1) (15605 candidates)
642. Increase your vocabulary : 2-2 (2243 candidates)
643. Increase your vocabulary : 2-1 (4127 candidates)
644. Adjectives and substantives (8478 candidates)
645. Link words 3 . It's over. (2583 candidates)
646. Link words 2: some more... (3331 candidates)
647. Link words 1 : Let's start ! (4743 candidates)
648. Relative pronouns (1652 candidates)
649. Relative pronouns (2690 candidates)
650. Mary Maloney 2 and forms of verbs (3995 candidates)
651. Mary Maloney 1 and Forms of verbs (7366 candidates)
652. Forms of verbs (3685 candidates)
653. Increase your vocabulary 1-4 Synthesis (2962 candidates)
654. Increase your vocabulary 1-3 (2852 candidates)
655. Increase your vocabulary 1-2 (4417 candidates)
656. Increase your vocabulary (9624 candidates)
657. Relatives (2181 candidates)
658. Forms of verbs (3179 candidates)
659. If clauses (5979 candidates)
660. Present simple or continuous (29955 candidates)