I.选择填空（本题有30小题，每小题1分，满分30分）
1. Every plane has to wait for its ______ to land.
A. guide B. turn C. order D. position
2.We shall be there ______ two this afternoon.
A. by B. in C. till D. on
3. He is ______ his lesson ______ the final examination.
A. preparing ; to B. preparing ; for C. ready ; to D. ready for
4. The Olympic Games ______ held once every _______ .
A. are / fourth year B. is / fourth year C. are / four years’ D. is / four years
5. The small room ______ I lived in ten years ago is still standing.
A. where B. that C. in which D. who
6. The film is worth ______ second time.
A. being seen a B. seeing a C. to be seen the D. to see the
