It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.
| A．that | B．when | C．what | D．how |
It was announced that only when the fire was under control to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
Mum is coming. What presentfor your birthday?
| A．you expect she has got | B．you expect has she got |
| C．do you expect she has got | D．do you expect has she got |
— Do you think George has passed the driving test?
— No. If so, he ____ _his car to our college yesterday.
| A．would drive | B．drove |
| C．would have driven | D．had driven |
Is it in the factory＿＿ you visited last week＿＿this kind of car is made﹖
| A．／；that | B．where；when | C．where；that | D．／；when |
---David has made great progress recently.
---_____, and______ .
| A．So he has; so you have | B．So he has; so have you |
| C．So has he; so have you | D．So has he; so you have |