We’re happy that our country has developed _____ these years than before.
| A．quicklier | B．less quickly |
| C．more quickly | D．most quickly |
There _____ a nice desk and a few chairs on the second floor.
A.have B.is C.are
weather! We should stay at home instead of going out.
| A．What a bad | B．How bad | C．What bad | D．How a bad |
---Where’s your father?
---He __________ to Singapore for a meeting. He ________ there twice.
| A．has gone, has been | B．has been, has gone |
| C．has gone, has gone | D．has been, has been |
He_____his computer last year. I _____ my computer for over ten years. It still works OK.
| A．bought ,have bought | B．have bought , bought |
| C．bought, have had | D．have had, bought |
---Look at the boy running on the playground. Is it David?
---It ______ be him. I saw him go to the teachers’ office just now.
| A．mustn’t | B．can’t | C．couldn’t | D．must |