21. Bob told me a very strange thing. Last night when he woke up, he found himself _________ on the roadside.
A. lie B. lying C. being laid D. having lain
22. ________ my sleepless night, I failed in the driving test at the first attempt this morning.
A. Thanks for B. Due to C. Because D. For
23. The Parkers bought a new house but ____ will need a lot of work before they can move in.
A. they B. it C. one D. which
