----- Nội dung dịch tự động từ ảnh ----- IV. Fill each gap of the following sentences with a suitable preposition. 16. They often play catch 17. We could go recess. the trip because we could afford it. 18. I haven't been able to concentrate recently it is. 19. The plane couldn't take 20. My grandfather was able to walk work. I don't know what at eleven o'clock, after the fog had lifted. any help last night. 1 1
