1. When he arrived at the bus stop, the bus ________for 20 minutes.
A. has left B. had left C. has been away D. had been away
2. I ________the League for 5 years so far.
A. joined B. have joined C. have been in
3. The factory ________since the February of 1988.
A. has been open B. has opened C. was open D. opened
4. Mary and Rose _______friends since they met in 2000.
A. have made B. have been C. made D. have become
5.You mustn't ________ until he comes back.
A. be away B. leave C. be left
6.The meeting _______ for a week now.
A. has finished B. has ended C. has been over
7.Miss Gao ______ this school for nearly 5 years.
A. has been in B. has come to C. has taught
8.Ben ______ a teacher for 4 years .
A. has been B. has become C. was D. became
9. I ______ home for a week.
A. have returned B. have been back C. returned
10. How long _______ he ________ ?
A. died B. has, died C. has, been dead