-This problem is very difficult. -I know,but Jack has working it
题型：不详难度：来源：
-This problem is very difficult. -I know,but Jack has working it out. | A．succeed in | B．succeeds in | C．succeeding in | D．succeeded in |
|
答案
| D |
解析
试题分析：句意：这道题非常难。——我知道，但是杰克已经成功的计算出它来了。结合语境可知本句描述的是现在已经完成的动作，故用现在完成时态。选Ｄ。 |
举一反三
My grandmother ______a lot of changes in Tianjin since she came here .| A．sees | B．can see | C．will see | D．has seen |
|
—Hello! Can I speak to Chris? —Sorry, he isn’t in. He _______ Japan on business.
A. has been to B. has gone C. has gone to |
—How do you like China?
—Great changes _______ since I _______ here 8 years ago.
A. have taken place; came B. took place; have come C. took place; came |
—How long has Henry’s father_______?—About two months.
A. bought the car B. been dead C. joined the club |
Mr. Su _____ in Zhuyuan Middle School since 1998. He regards it his second home.| A．lives | B．lived | C．has lived | D．will live |
|
最新试题
热门考点