问题
When deeply absorbed in work, ______ he often was, he would forget all about eating or sleeping.
A:that
B:which
C:where
D:when
B:which
C:where
D:when
正确答案是：
同类题型
If I’m mistaken, _____ you are mistaken too
I was reading a book ______ my sister was watching TV.
Hi, Jack. Is this your new bike —No, _________is over there. It’s a present from my uncle.
They had a discussion in the morning .At last ，they______ the best place _______a swim.
Do you have enough to all your daily expenses? —Oh yes, enough and to spare.[ ]