It is unbelievable that he ( ) be working so hard. ( )
A: will
B: shall
C: should
D: may
A: will
B: shall
C: should
D: may
举一反三
- He is always working（）he can. A: as hardly as B: as hard as C: so hardly as D: so hard as
- He’s working hard for fear that he ____. A: should fall behind B: fell behind C: may fall behind D: would fall behind
- He should （ ） hard . A: working B: work C: to work
- He’S working hard for fear that he_________． A: should fall behind B: fell behind C: may fall behind D: would fall behind
- You should work hard. Then, you can pass the exam.=You should work hard so that ____the exam.