If you______the number of pancakes he consumed at breakfast this morning, you would have understood why he is so overweight.
A．have seen
B．saw
C．would see
D．had seen

未分类题David was quick at learning new jobs, but hopeless about______them, and he soon became bored with anything he was capable of doing well.A．to keepB．to keepingC．keepD．keeping

未分类题The family, ______from the exhausting trip, fell asleep as soon as they went to bed.A．tiringB．being tiredC．to be tiredD．tired

未分类题We regret ______ you that we no longer manufacture the item you have ordered.A．advisingB．to advisingC．adviseD．to advise

未分类题Highly______ in music as a youth, young Johann Sebastian Bach may have damaged his eyes copying musical scores.A．interestingB．to interestC．interestD．interested

未分类题Only after he has acquired considerable facility in speaking______to learn to read and write.A．he beganB．will he beginC．did he beginD．must he begin