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1. It's been years
I enjoyed myself so much last night.
【考点】
引导时间状语从句的连词;
【答案】
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语法填空（单句）
普通
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1.
time went by, I was getting older and older and at the same time I wanted to leave home to earn my living.
语法填空（单句）
普通
2. Dinosaurs lived on the earth tens of millions of years ago, long
humans came into being and their future seemed secure at that time.
语法填空（单句）
普通
1. It is said that the fire on Sunday night lasted about three hours ________ the firefighters came.
A.
before
B.
until
C.
when
D.
after
单选题
普通
2. Several weeks had gone by ________ I realized the painting was missing.
A.
as
B.
since
C.
when
D.
before
单选题
普通
3. Nancy enjoyed herself so much _____ she visited her friends in London.
A.
that
B.
which
C.
where
D.
when
单选题
普通
1. He smiled politely ______ Mary apologized for her drunken friends.
A.
as
B.
if
C.
unless
D.
though
单选题
普通
2. If you don't understand something, you may research, study, and talk to other people _______ you figure it out.
A.
because
B.
though
C.
until
D.
since
单选题
普通
3. ______ the average age of the population increases, there are more and more old people to care for.
A.
Unless
B.
Until
C.
As
D.
While
单选题
普通