题目内容

--- I haven’t seen Mary recently. And you?
--- Me neither. I’m afraid she _________ to her experiment for too long a time.
A．is devotingB．was devotedC．has been devotingD．has been devoted
D
考查时态。固定词组be devoted to致力于。根据上下文可知我最近没有空间Mary,是因为她致力于做实验。使用完成时表示过去发生的事情对现在的影响。
练习册系列答案
相关题目
The first decade of the 21st century ______ breathtaking, non-stop development in China．
A．witnessesB．witnessed
C．will witnessD．had witnessed
He _______ foreigners in his cafe before, so he didn’t know how to serve the American family.
A．had rarely hadB．had had rarelyC．rarely hadD．had rarely
----- The windows must have taken you quite a long time that day.
----- Right. They ______ for months.
A．haven’t been cleanedB．didn’t cleanC．hadn’t been cleanedD．haven’t cleaned
Toni Morrison, Nobel Prize-winning American writer, says if there’s a book you really want to read, but it ______ yet, then you must write it.
A．hasn’t been writtenB．hasn’t writtenC．doesn’t writeD．isn’t written
Put on your coat! I        you down to the doctor.
A．takeB．am takingC．tookD．have taken
—Why do you look so worried? 
—My computer broke down and my essay ______ unfinished since.
A．had leftB．has leftC．was leftD．has been left
—Who do you guess I am?
—Sorry，your name        my mind．
A．slipped B．has slipped C．had slipped D．slips
The houses          . They will be finished next year.
A．are builtB．have been builtC．are being builtD．were built

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网