must
- I think he must have seen me at the meeting last night, ______?
- Jack must be helping his grandma to water the flowers,______?
- Must I turn off the gas after cooking? —Of course, you can never be ____careful with that.
- They must have finished the work, ______?
- Tom must be waiting for you now, _______?
- We can’t ______ the car.There ______ something wrong with the engine.
- We must stop pollution _____ longer.
- You must be excited about going to America for schooling. —______, but I am afraid I can’t do well because my English is poor.
- You must have waited here for a long time, __________?
- You must obey every word of mine! —________ I don’t?