I always had doubts he would be the best man for the job , but now I don’t doubt he can do it.
| A．whether; whether | B．that ; if |
| C．if; whether | D．whether; that |
Please ______ the traffic regulations.
| A．observe | B．take | C．see | D．look |
Only then ______ how much damage had been caused.
| A．had she realized | B．she realized | C．did she realize | D．she had realized |
Before he came , I’d finished _______ the whole book.
| A．to read | B．to have read | C．reading | D．read |
I hope you don’t mind ____ at your newspaper.
| A．I look | B．my looking | C．I looking | D．my to look |
They asked me so many _____ questions that I got _______ at last.
| A．confusing, confusing | B．confused, confusing |
| C．confused, confused | D．confusing, confused |