They seemed ______ each other for a long time.
| A．knowing | B．to know | C．having known | D．to have known |
Ten years ago the population of our village was that of theirs.
| A．as twice large as | B．twice as large as | C．twice as much as | D．as twice much as |
Mark woke up one morning to find both water and electricity ______because he had not been able to pay the bills.
| A．cut out | B．cut down | C．cut off | D．cut short |
He was told that it would be at least three more months _____ he could recover and return to work.
| A．when | B．since | C．before | D．that |
With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed __________the driving test
| A．to pass | B．passing | C．to have passed | D．to be passed |
Tricks are often ______ those who look honest.
| A．laughed at | B．greeted | C．played on | D．made to |