If he____ my advice, he wouldn’thave lost his job.[ ]

How difficult this math problem is for me! Can you tell me _______

My grandpa sowed the flower seeds in thegarden ______it was the best time for them to grow．

Sir, I feel it complicated to apply to a university abroad.—Why not read our guide? This is ________ the relevant information is available

This medicine will him of his cough.