If you _________ smoke, please go outside.
| A．can |
| B．should |
| C．must |
| D．may |
Barbara often makes a schedule to get herself ________ of what she is to do in the day.
| A．remind | B．reminded |
| C．reminding | D．to remind |
One evening Harry phoned me, ________ me to come to his flat as soon as possible.
| A．asked | B．having asked |
| C．asking | D．being asked |
________ early for his date, Mark spent time reading the newspaper.
| A．Arriving | B．Having arrived |
| C．Arrived | D．To arrive |
I got to the office earlier that day, ________ the 7：30 train from Paddington.
| A．caught | B．to have caught |
| C．to catch | D．having caught |
The lecture, ________ at 7：00 pm last night，was followed by an observation of the moon with telescopes.
| A．starting | B．being started |
| C．to start | D．to be started |