Last summer I took a course on ______ poisonous gases.
| A．what to deal with | B． how to deal with |
| C．what to be dealt with | D． how to be dealt with |
To be honest, this restaurant isn’t _________ that one we went to the other day.
| A．half as good as | B．as half good as | C．as good as half | D．good as half as |
I’m sorry to tell you that the library doesn’t allow ________ loudly.
| A．talking | B．to talk | C．anyone talking | D．anyone talk |
The comments on the film, ______ this is one example, are very sharp.
| A．of what | B．for that | C．of which | D．for which |
He _________ English for eight years by the time he graduates from the university next year.
| A．will learn | B．will have learned | C．will be learning | D．has graduated |
Try to be more careful next time. Carelessness only ______ mistakes.
| A．tends to | B．results from | C．leads to | D．turns to |