My friend ()a new job now
A. was looking for
B. looked for
C. is looking for
D. has looked for
Let's wait to discuss ()this situation until tomorrow morning
A. about
B. to
C. for
D. 什么都不填
We ()following the marketing plan until next month
A. continued
B. are continuing
C. will be continuing
D. will continue
发生颌骨放射性骨坏死的临界放射剂量指标为
A. 20Gy
B. 40Gy
C. 60Gy
D. 90Gy
E. 100Gy