--- The kind-hearted lady is popular with her neighbors, right?
--- Yes. She is always ready to help others without expecting anything _______.
| A．in store | B．in return | C．in charge | D．in turn |
_______ fun it is to jump into a pool or go swimming in summer.
| A．What | B．How | C．What a | D．How a |
_______ is it _____ has made Peter _______ he is today?
| A．What; that; that | B．What; that;what | C．What ;what; that | D．That;that; what |
_________ doesn’t seem to have been any difficulty solving the problem.
| A．There | B．It | C．He | D．That |
Joan had often heard ____ said that Marley had no money.
| A．one | B．it | C．once | D．her |
Carl Linnaeus made great contributions to ________ plant species.
| A．group | B．have grouped | C．grouping | D．been grouping |