Without facts , a person can’t form a correct opinion , for he needs to have actual knowledge _____ his thinking .
| A．which to be based on | B．on which to base |
| C．which to be based | D．which to base |
Listen to the two girls by the window. What language ________?
| A．did they speak | B．were they speaking |
| C．have they been speaking | D．are they speaking |
— Isn’t that Ann’s husband over there?
— No, it ________ be him — I’m sure he doesn’t wear glasses.
| A．must not | B．can’t | C．won’t | D．may not |
______ disappointed us most was that the guide was always asking us to leave ____ we thought very interesting.
| A．It; where | B．What; what | C．What; where | D．It; what |
The teacher couldn’t make himself ____ attention to because students were addicted to the short message.
| A．pay | B．to pay | C．paid | D．to be paid |
The Bull team ________ the football match and they _______ much experience in playing football.
| A．gained; got | B．won; won | C．won; gained | D．got; got |