While I _____________, someone ___________at the door.
A. did my homework; knocked
B. do my homework; knocks
C. was doing my homework; knocked
D. was doing my homework; knocks
They ____________ in the river when it __________ to rain.
A. were swimming; began
B. swam; was beginning
C. swam; began
D. were swimming; was beginning
Please knock at the door ________ you come into the room.
A. before B. after C. until D. while
– Where is Jenny now?
-- She _____________ in the garden.
A. works B. is working
C. work D. worked
– Daming, where are you going?
-- Don’t worry, mum. I _______________ in ten minutes.
A. come back B. have come back
C. will come back D. coming back
– Would you like __________ with me?
-- Yes, I’d love to.
A. going B. to go C. goes D. went
