If the firefighters ________ in time, the fire would have resulted in many deaths in the hotel.
| A．wouldn’t have arrived | B．hadn’t arrived |
| C．didn’t arrive | D．shouldn’t arrive |
—Where is my dictionary? I remember I put it here yesterday.
—You ______ it in the wrong place.
| A．must put | B．should have put | C．might put | D．must have put |
Our monitor requested that ________.
| A．all the class studied more carefully the problem |
| B．the problem was more carefully studied |
| C．with great care the problem could be studied |
| D．all the class study the problem more carefully |
But for their help, we ______ the program in time.
| A．can not finish | B．will not finish |
| C．had not finished | D．could not have finished |
The pills him.If only he had taken them regularly.
| A．could help | B．may help |
| C．must have helped | D．might have helped |
It is believed that forest bathing ______ strengthen the immune system.
| A．should | B．must | C．need | D．can |
You _____ an A on your composition, but there were some spelling mistakes.
| A．should receive | B．could have received |
| C．would receive | D．must have received |
Mr. Liu insists that the price of petrol _____ too high and that he ____ his car.
| A．is, sells | B．should be, should sell | C．is, should sell | D．should be, sells |
—Mary’s score on the test is the highest in her class.
—Really? She have studied very hard.
| A．may | B．ought to | C．must | D．should |
I ________ through that bitter period without your generous help.
| A．couldn’t have gone | B．didn’t go | C．would go | D．hadn’t gone |