11.I decided to go to the library as soon as I ______.

11.I decided to go to the library as soon as I ______.
A.finished what I was doing
B.finished what I did
C.would finish what I was doing
D.finish what I did
12.You won’t know whether the coat fits you until you ______ it on.
A.will try B.have tried
C.tried D.are trying
13.My dictionary ______.I have looked for it everywhere but still ______it.
A.has lost; don’t find
B.is missing; don’t find
C.has lost; haven’t found
D.is missing; haven’t found
14.______ it with me and I’ll see what I can do.
A.When left B.Leaving
C.If you leave D.Leave
15.--- How are you planning to travel to Shanghai?
--- I ______ yet,but I ______ taking a train.
A.didn’t decide; am considering
B.haven’t decided; consider
C.haven’t decided; am considering
D.hadn’t decided; have considered
16.--- Excuse me,sir.Would you do me a favour?
--- Of course.What is it?
--- I ______ if you could take me to the station.
A.would wonder B.did wonder
C.was wondering D.had wondered
17.--- Got your driving license?
--- No.I ______ too busy to have enough practice,so I didn’t take the driving test last week.I’m going to next week.
A.was B.have been C.am D.had been
18.With the development of science,more new technology ______ to the field of IT.
A.has introduced B.is being introduced
C.is introduced D.was introduced
19.--- Who’s the man over there?
--- It’s Jack.
--- Oh?______ in Italy.
A.I think he’s
B.I’ve thought he’s been
C.I thought he was
D.I’d thought he’d been
20.--- I dropped in at your house at about ten last night,but you weren’t in.
--- I ______ regular exercises at the club.
A.did B.was doing C.had done D.have been doing