I can hardly imagine Peter ____ across the Atlantic Ocean in five days.
| A．sail | B．to sail | C．sailing | D．to have sailed |
27. —— My goodness! I've just missed the train.
—— That's too bad. I am sure you__________it, if you had hurried.
| A．could have caught | B．had caught | C．would catch | D．could catch |
26. The pen I _______ I _______is on my desk, right under my nose.
| A．thought; had lost | B．think; lost | C．think; had lost | D．thought; have lost |
25. He is one of the old scientists who ______nothing about his personal income and fame .
| A．cares | B．care | C．is caring | D．are caring |
24. —— How about camping, just for a change?
—— OK, ______ you want.
| A．whichever | B．whoever | C．whatever | D．No matter what |
23. In face of failure, it is the most important to keep up good state of mind.
| A．a; 不填 | B．不填; a | C．the; 不填 | D．不填; the |