下列实验能达到目的的是（ ）
 |
 |
 |
 |
| A． 检验SO2具有漂白性 |
B．配制0.1 mol•L-1NaOH溶液时定容 |
C．分离出碘水中的碘 |
D．配制一定浓度硫酸溶液 |
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |