题目内容
--Mike, can you tell us something about our new teacher?
-- Oh, sorry. I know nothing because I _____________ him before.
| A．saw | B．didn’t see | C．have seen | D．haven’t seen |
D
解析试题分析：句意：迈克你能告诉我一些有关我们新老师的事情吗？对不起，我什么都不知道。我以前没有见过他。根据句意，可知我不知道是对现在的影响，动作发生在过去强调对现在的影响，用现在完成时，故选D。
考点：考查现在完成时的用法
天天向上一本好卷系列答案
小学生10分钟应用题系列答案I began watching here an hour ago, but now nothing _______ yet.
| A．happens | B．will happen |
| C．happened | D．has happened |
If the kids stay indoors all the time and get no exercise, they _________ weak.
| A．become | B．have become | C．will become | D．became |
Alice in Wonderland ___________ for 15 days and many of us like the film very much.
| A．begins | B．has begun |
| C．began | D．has been on |
The guests were _________ in the front rows ________ to the president attentively.
| A．seating; listened | B．seating; listening |
| C．seated; listened | D．seated; listening |
In Chongqing, you can often see many people dance outside together if it ______ in the evening.
| A．rains | B．doesn’t rain | C．will rain | D．won’t rain |
--What if you don't finish your work on time?
-- Mrs. Brown will be very angry.
| A．happens | B．is happened | C．happened | D．will happen |
---Excuse me. Where is Lily?
---Oh, she___ the volleyball match on the playground when I saw him just now.
| A．watches | B．will watch | C．is watching | D．was watching |
My uncle is a writer. He ______ many books since he was young.
| A．writes | B．wrote | C．is writing | D．has written |