__________ had I closed the door__________ somebody started knocking on it.A.As soon as;th
__________ had I closed the door__________ somebody started knocking on it.
A.As soon as;then
B.Although;yet
C.No sooner;than
D.If;then
__________ had I closed the door__________ somebody started knocking on it.
A.As soon as;then
B.Although;yet
C.No sooner;than
D.If;then
A.饱和氯水中:Cl﹣、NO3﹣、Na+、SO32﹣
B.(OH-)=1.0mol•L﹣1溶液中:ClO﹣、K+、SO42﹣、Br﹣
C.Na2S溶液中:SO42﹣、K+、Cl﹣、Cu2+
D.pH=12的溶液中:NO3﹣、I﹣、Na+、Al3+
Yesterday I was caught in the rain, and had to look for the ______ of a tree.
A.shadow
B.shelter
C.bush
D.shade
As I was just getting familiar with this job, I had ______to ask my boss.
A.many
B.most
C.more
D.much
A.was looking
B.for
C.came for
D.had 1eft
______had I reached school than the bell rang.
A.No sooner
B.Only
C.Hardly
D.Rarely
I had my teeth ______ out yesterday because I suffered a lot.
A.pulling
B.pulled
C.to pull
D.pull
______ when the phone rang.
A.Scarcely I had walked in the door
B.Scarcely had I walked in the door
C.I had walked scarcely in the door
D.I had walked in the door scarcely
I had no ______of who I was or what I was going to be.
A. mind
B. idea
C. think
D. thought
Only when I began to do it ______ that I had made a mistake.
A.I realized
B.I had realized
C.did I realize
D.would I realize