Little ________that we were watching his every move, so he seemed to be going his own way in this business.
| A．he realized | B．he didn't realize | C．didn't he realize | D．did he realize |
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
| A．that; before | B．which; since | C．X; when | D．that; since |
It is a rule in his family that __________ comes home earlier should cook the dinner for the family.
| A．anybody | B．who | C．who that | D．whoever |
The black horse is___________ of the pair.
| A．the strongest | B．the stronger |
| C．the strong | D．quite strong |
I coutdn't have got to the meeting on time____________ an earlier train.
| A．if I had not caught | B．unless I had caugh |
| C．if ! did not catch | D．unless I caugh |
________ is quite natural,a beginner can't read the books written in English very quickly.
| A．Which | B．As | C．What | D．It |