—I really can’t thank you enough
— ．
| A．With pleasure | B．I’m glad to have been of help |
| C．No problem | D．That’s the most I could do |
When I was little，my mother used to sit by my bed，________me stories till I fell asleep.
| A．having told | B．telling |
| C．told | D．to tell |
________the course very difficult，she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |
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 sunlight is white and blinding，________hardedged shadows on the ground.
| A．being thrown | B．throwing |
| C．to throw | D．to be thrown |
If nothing________，the oceans will turn into fish deserts.
| A．does | B．had been done |
| C．will do | D．is done |