I couldn’t answer the phone immediately because I …. to finish some work (try)
I couldn’t answer the phone immediately because I – to finish some work (try)
By Valentina
By Valentina
I couldn’t answer the phone immediately because I …. to finish some work (try)
I couldn’t answer the phone immediately because I ..was trying.. to finish some work
hành động này Xen ngang,dấu hiệu quá khứ tiếp diễn:đang cố gắng xong việc nên không thể trả lời điện thoại,
I couldn’t answer the phone immediately because I .. am trying.. to finish some work (try)