5．If you can't decide which of the two novels to borrow，why don't you take ________? I won't read them this month．

A．both               B．all                C．any               D．either

4．--It must be John who is in the office．

--I'm sure it ________ be John．I saw him off at the railway station just twenty minutes ago．

A．won't            B．mustn't             C．can't               D．needn't

3．It will ________ us several years to [earn a foreign language well．

A．cost                 B．take                  C．spend              D．use

2．________ the teachers in their school is about 200 and one fourth of them are ________ teachers．

A．A number of；women                   B．A number of；woman

C．The number of；women                 D．The number of；woman

1．--Which of those radios sounds ________?

--The smallest one．

A．good               B．well              C．better             D．best