We agree ______ here but so far she hasn’t turned up yet.
| A．having met | B．meeting | C．to meet | D．to have met |
______ interested us most was ______ he saw last night.
| A．It; what | B．What; what | C．What; how | D．It; how |
We make ________ that whoever leaves last turns off the light.
| A．it a rule | B．a rule | C．the rule | D．a rule it |
Mr. Green was chosen ________ of the club.
| A．the chairman | B．chairman | C．a chairman | D．chairmen |
The singer, together with some of her fans, _____a song on the stage.
| A．sing | B．sang | C．is singing | D．are singing |
He is known _____ a scientist and famous _____ his research on rice.
| A．for; as | B．for; for | C．as; for | D．as; as |