He has already worked for ____ hour.

When Jack arrived, he learned Mary ______ for almost an hour.（ ）A. had goneB. ha

[问答题]I can’t finish the task within 1 hour.

[单选题]We often take a [stroll]in the park after dinner for about an hour.A.walkB.

[单选题]We often take a [stroll]in the park after dinner for about an hour.A.walkB.

You ______ be tired - youve only been working for an hour.A. must notB. won' tC.

Fortunately, the accident didnt _______ many people, for there was little traffi

2.(单选题)Mr John has worked in that small town() he left Canada in 1998.A. whenB.

3.单项选择题 She ___ the same tune on the piano for nearly an hour.A. was practicedB.

[单选题]Had he worked harder, he __________ 怎么选择H．adheworkedharder,he__________theexams.A．)musthavegotthroughB)wouldhavegotthroughC．)permittedarefreshmenD)arepermittedfreshmen

[单选题]Had he worked harder, he______the exams.A.must have got through B.would hav