Only when class began _______that he had left his book at home.
A、will he realize
B、he did realize
C、did he realize
D、should he realize
A、will he realize
B、he did realize
C、did he realize
D、should he realize
A.错误
B.正确
A.正确
B.错误
Using accrual accounting,expenses are recorded and reported only ().
A.when they are incurred, whether or not cash is paid
B.when they are incurred and paid at the same time
C.if they are paid before they are incurred
D.if they are paid after they are incurred
A.you will
B.you can
C.can you
D.can’t you
A.when
B.bacause
C.if
D.though
A、must be
B、must have been
C、could be
D、should have been
B.what means this sentence
C.what this sentence means
D.what is the meaning of the sentence
A.id="intro" 或 class="head" 的所有 div 元素
B.class="intro" 的任何 div 元素中的首个 id="head" 的元素
C.id="intro" 的首个 div 元素中的 class="head" 的所有元素
D.id="intro" 的首个 div 元素中的 class="head" 的首个元素
A.weaken
B.omit
C.overcome
D.overtake