题目
题型：不详难度：来源：
If he_____his teacher" s advice, Asafa Powell would not be the fastest man in the world.
| A．didn"t follow | B．wouldn"t have followed |
| C．hadn" t followed | D．hasn" t followed |
答案
解析
核心考点
试题【If he_____his teacher" s advice, Asafa Powell would not be the fastest man in th】；主要考察你对一般现在时等知识点的理解。[详细]
举一反三
As the saying goes, one is never too old to learn. After he _____, he will devote himself to gardening.
| A．retired | B．has retired | C．will retire | D．had retired |
A lot of tents, drinking water and food ______ to the homeless earthquake survivors in the past several weeks.
| A．are sent | B．were sent | C．have been sent | D．had been sent |
With the development of high technology, more and more new things _______ to the field of IT．
| A．have introduced | B．are being introduced |
| C．were introduced | D．had been introduced |
Efforts to stop smoking in public areas _______ progress in Hangzhou in recent weeks．
| A．made | B．have been made | C．have been making | D．are making |
I _______ the dance performance many times, each giving me a new understanding．
| A．watch | B．watched | C．have watched | D．am watching |
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