---- There is a lot of smoke coming out of the teaching-building there.
---- Really? It _____ be a fire, most probably.
| A．can | B．ought to | C．have to | D．must |
_______ the Town Hall, we saw a stone statue of about 10 meters in height.
| A．Approached | B．Approaching |
| C．To approach | D．To be approached |
I arrived late and missed the flight. I ____ the traffic to be so heavy.
| A．hadn’t expected | B．haven’t expected |
| C．wouldn’t expect | D．was expected |
To improve the quality of our products, we ask ____ has used them for suggestions.
| A．anyone | B．who | C．no matter who | D．whoever |
When I stayed in the countryside, I enjoyed ____ leisurely walk in the fields, and felt ____ warmth of the sun on my face.
| A．/ ; the | B．a ; a | C．/ ; a | D．a ; the |
--- We give dogs time, space and love we can spare.
--- . Dogs are always our loyal friends.
| A．Neither dogs do | B．Neither do dogs |
| C．So dogs do | D．So do dogs |