(2019安徽改编)How time flies! We ________ in China for so long.
A.work B.worked C.will work D.have worked
(2019江西改编)Don't worry. I ________ Mr. Taylor to you before the meeting.
A.will introduce B.introduced C.have introduced D.introduce
(2019武汉改编)He ________ his English teacher when he was sightseeing in Paris.
A.has met B.met C.meets D.was meeting
(2019株洲改编)The world is changing with every second；and China，too, ________with every second.
A.changes B.changed C.is changing D.has changed
(2019乐山改编)You'd better take an umbrella. The weather report says it ________ in the afternoon.
A.rains B.rained C.is raining D.will rain
(2019滨州改编)I didn't pick up your phone because I ________ my pet dog in my yard.
A.walked B.was walking C.am walking D.will walk
