Tom ______ better than to ask his brother to help at such a critical moment.
A: shall
B: has known
C: shouldn't
D: should have known
A: shall
B: has known
C: shouldn't
D: should have known
举一反三
- You _________ than to make those embarrassing remarks. A: should have been know better B: should have known better C: should have know better D: shouldn’t have known better
- His brother doesn’t want （） he’s going away from home. A: to be known that B: it that to be known C: it to be known that D: that it to be known
- My cat would not have bitten the toy fish, ___ it was made of rubber. A: if she has known B: she should have known C: if she knew D: had she known
- My cat would not have bitten the toy fish ( ) it was made of rubber. A: if she has known B: if she had known C: she should have known D: if she knew
- Both his parents look sad. Maybe they_what happened. A: knew B: knows C: have known D: has known