It’s hard to imagine_____it would be like living on Mars.
| A．that | B．how | C．where | D．what |
In some countries, _______ are called “public schools” are not owned by the state.
| A．that | B．which |
| C．as | D．what |
“How long do you suppose it is _______ he left for Japan?” “No more than half a month.”
| A．when | B．before |
| C．after | D．since |
Mr Zhang is mild in character. He never shouts ____ he is very angry.
| A．if | B．even |
| C．though | D．even when |
John shut everybody out of the kitchen _______ he could prepare his grand surprise for the party.
| A．which | B．when |
| C．so that | D．as if |
_______ rich one may be there is always something one wants.
| A．whatever | B．Whenever |
| C．however | D．Wherever |