The doctor will be free ________.
[ ]
Did he catch the bus or ________ it yesterday?
——What's this in English?
——Sorry, I can't ________ it in English.
He has two brothers. One is a teacher, ________is a worker.
The twins have learned English ________.
A．by himself
B．by themselves
C．by themselves
D．with themselves
He would like to meet the headmaster ________ 8: 00 ________ 9: 00 tomorrow morning.
We are very ________ father's health.
There is ________ much water in the swimming pool.
——I'm sorry to trouble you, Mr. Smith.
——________.
He needs help now, he is ________ trouble.