They often play catch ……….. recess.
We could go ………….. the trip because we could afford it.
I haven’t been able to concentrate recently………………… work. I don’t know what it is at eleven o’clock, after the fog had lifted.
The plane couldn’t take …………… any help last night.
My grandfather was able to walk……………. .
They often play catch …..at…… recess.
We could go ……on…….. the trip because we could afford it.
I haven’t been able to concentrate recently ……..at…………. work.
I don’t know what it is at eleven o’clock, after the fog had lifted.
The plane couldn’t take …….off…….. any help last night.
My grandfather was able to walk …..without……….. .
at ( at recess: bây giờ)
On( go on: đi tiếp)
at ( at work: làm việc)
off ( take off: vứt bớt, …)
without ( without: với cái dì đó)