Question

11 We'll ring them before we go in case they ...... busy. 1)are2)were3)have been4)had​

Answer 1

Ответ:

1) are

Объяснение:

Сочетание "in case" присоединяет  придаточное условия, а в условных придаточных нельзя использовать будущее, как в главном.

Answer 2

We'll ring them before we go in case they are busy

Answer 3

The correct option to complete the sentence is:

1. are

The complete sentence would be: "We'll ring them before we go in case they are busy."