We often think of the days _____ we spent together on the island.
| A．when | B．which | C．in which | D．during which |
"I usually go there by train." "Why not ______ by boat for a change?"
| A．to try going | B．trying to go | C．to try and go | D．try going |
"What do you think of the book?" "Oh. excellent, it's worth _______ a second time."
| A．to read | B．to be read | C．reading | D．being read |
People couldn’t help ______ the foolish girl.
| A．laugh at | B．to laugh at | C．laughing at | D．laughing : |
Excuse me for _____ in without ______.
| A．coming, asking | B．coming, being asked | C．to come, asking | D．to come, being asked |
Most of the students enjoy_____ stamps.
| A．collect | B．to collect | C．collecting | D．collected |