Although we hadn't met for twenty years, I recognized him ________ I saw him．

A．the moment

B．one moment

C．by the moment

D．for the moment

So difficult ________ it to work out the problem that I decided to ask Tom for some advice．

A．I did find

B．did I find

C．I've found

D．have I found

He devoted most of his time to his research, believing his hard work would ________ sooner or later．

A．put off

B．take off

C．get off

D．pay off

Children who are not active or ________ diet is high in fat will gain weight quickly．

A．what

B．whose

C．which

D．that

A person of great ________ usually can achieve its goal．

A．instruction

B．information

C．determination

D．competition

The Somali robbers' frequent attacks on the sea urged the United Nations to ________all nations to take immediate action．

A．fight for

B．apply for

C．call on

D．wait on

Before us lies the biggest room, ________ with things like guns, dolls and old clothes．

A．filling

B．filled

C．being filled

D．having been filled

Many Chinese universities provide scholarships for students ________ financial aid．

A．in favour of

B．in honour of

C．in face of

D．in need of

Honestly speaking, I would agree with Shirley, though not ________．

A．widely

B．entirely

C．possibly

D．eventually

When you rewrite the paragraph, I advise you to leave out ________ is thought unnecessary or misleading．

A．what

B．that

C．those

D．which