Is the shopping mall far from your home— Not very far. It’s only five ride.

You’ll fail the exam _____ you work hard.

In _____ 1870’s Marx found it important to study_____ situation in Russia

You seemed to be deeply struck by his skill— Not exactlyIt was his courage ________ his skill that really struck me most

小明为爷爷祝寿写了一副对联“逾古稀又十年可喜慈颜久驻，去期颐尚廿载预征后福无疆”，对小明爷爷年纪表述正确的一项是（ ）