Mọi người ơi giúp mình với😢
1/ He ...... very well when he was eight.
a.can swim.
b.could swim.
c.is able to swim.
d.would swim.
2/ These workers ......working in a factory..... a supervisor came in.
a.were / when
b.were / while
c.are / after
d.have / before
3/ When I arrived, they were having dinner.
a. When they started having their dinner, I arrived.
b. I came in the middle of their dinner.
c. They ate their dinner as soon as I arrived.
d. I came to their invitation to dinner.
Loga
Sinh Học lớp 12
