After the terrible explosion（爆炸） in Xiangshui， Yancheng， many people from cities around came to hospitals to _________blood．（ ）
A．devoteB．createC．donateD．celebrate
You should _______your shoes before you enter the dance room．（ ）
| A． |
take off |
B． |
put off |
C． |
get off |
D． |
fall off |
I think all the heavy and difficult jobs ______by machines and robots in the future．（ ）
| A． |
do |
B． |
will do |
C． |
are done |
D． |
will be done |
If he _______Guilin，he'll probably go to Yangshuo．（ ）
| A． |
visits |
B． |
is visiting |
C． |
will visit |
D． |
has visited |
His mother doesn't like to throw away old things _______they are useless．（ ）
| A． |
but |
B． |
because |
C． |
even if |
D． |
so that |
She closed the door _____in order not to make her grandpa awake．（ ）
| A． |
angrily |
B． |
loudly |
C． |
clearly |
D． |
quietly |