— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear ! She ______ a lot of difficulties !
| A．may go through | B．might go through |
| C．ought to have gone through | D．must have gone through |
Peter’s jacket looked just the same as Jack’s, but it cost his.
| A．as much twice as | B．twice as much as |
| C．much as twice as | D．as twice much as |
— Jimmy had a lot of parties recently.
— Yes, that might why he didn’t do well in the test.
| A．sum up | B．add up to | C．account for | D．count on |
A cook will be immediately fired if he is found in the kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |
It’s a fine day today for an outing. We can’t hope for at this time of the year.
| A．a nice day | B．a nicer day | C．the nicer day | D．the nicest day |
The manager had something more important to do, as a result he couldn’t here this evening.
| A．pick up | B．take up | C．make up | D．turn up |