English is _____as Chinese.
| A．as difficult a subject |
| B．as a subject difficult |
| C．as subject difficult a |
| D．so subject a difficult |
_______ 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 |
He observed a stranger _______ around the store at 12 p.m. last night.
| A．to hang | B．hang | C．hanging | D．to be hanging |