1 can't find my ruler． I don't know _____ it's somewhere in the living room．（ ）
A．soB．ifC．butD．be
Must I study here with you，Mum？
No， you______．You may go home now，but you______go to the net﹣bar．（ ）
| A． |
must，need |
B． |
need， must |
| C． |
needn't， mustn't |
D． |
mustn't， needn't |
Learning to love is like learning to walk．
Yes， we step out bravely，we'll find it's not so difficult．（ ）
| A． |
as if |
B． |
even though |
| C． |
as long as |
D． |
as far as |
Next Monday is our mother's birthday． Let's buy some cards for her．
Why not make some ourselves？ It will be much______．（ ）
| A． |
interesting |
B． |
more interesting |
| C． |
most interesting |
D． |
the most interesting |
How many_______doctors are there in your hospital， David？
_______them _______over one hundred．（ ）
| A． |
woman，The number of， is |
| B． |
women，A number of， are |
| C． |
woman，A number of， is |
| D． |
women，The number of， is |
Lucy， is this_______baseball？
No， _______is over there． It must be Mike's．（ ）
| A． |
your， my |
B． |
your， mine |
| C． |
yours， my |
D． |
yours， mine |