We worried about ______ he was in good health.
| A．whether | B．if | C．that | D．what |
Police have found ________ appears to be the lost ancient statue.
| A．which | B．where | C．how | D．what |
Tony can hardly boil an egg, still ________ cook dinner.
| A．less | B．little | C．much | D．more |
If wenow to protect the environment, we'll live to regret it.
| A． | hadn't acted | B． | haven't acted | C． | don't act | D． | won't act |
Try not to cough more than you can _______ since it may cause problems to your lungs.
| A．check | B．allow | C．stop | D．help |
They might just have a place ________ on the writing course— why don’t you give it a try?
| A．leave | B．left | C．leaving | D．to leave |