2.4

                    <div class="form-group row">
                        <div class="col-md-6 offset-md-2">
                            <div class="form-check">
                                <input type="checkbox" class="form-check-input" name="approve" id="approve" value="">
                                <label class="form-check-label" for="approve">
                                    <strong>May we contact you?</strong>
                                </label>
                            </div>
                        </div>
                        <div class="col-md-3 offset-md-1">
                            <select class="form-control">
                                <option>Tel.</option>
                                <option>Email</option>
                            </select>
                        </div>
                    </div>