问题补充:
He was so busy his homework that he forgot to have supper.
A. to do
B. do
C. doing
D. does
答案:
A. to do
B. do
(答案→)C. doing
D. does
解析:句意:他总是忙着做功课,以至于忘记吃晚饭。be busy doing sth忙于做某事,固定句型,故选C
时间:2023-06-07 02:47:38
He was so busy his homework that he forgot to have supper.
A. to do
B. do
C. doing
D. does
A. to do
B. do
(答案→)C. doing
D. does
解析:句意:他总是忙着做功课,以至于忘记吃晚饭。be busy doing sth忙于做某事,固定句型,故选C