I can’t believe my own eyes. The magician changes paper ________ money. [ ]
Is this the first time you _____Chengdu ?—-No. But the first time I _____here, the city wasn’t so beautiful.
The teacher is strict _____ every student and _____ everything he does. [ ]
Could you help me with my English now?—Yes,I_____.
What were you doing at this time last night? — I _________ a phone call.