<table class="list" cellspacing="0" cellpadding="0" style="width: 897px; color: rgb(51, 51, 51); font-size: 14px; padding: 0px;" /><tbody><tr style="background-color: rgba(234, 234, 234, 0.3);" /><td>Выберите правильный вариант использования Perfect Tenses : <b>I (to<br />wait)___________ for his letter for a month already, but I (not, to receive) ___________ it yet.</b></td></tbody> had waited, have not received, have been waiting, have not been receiving, have been waiting, have not received