Have you made up your mind ________ abroad? I advise you to consider it carefully.
| A．study | B．to study | C．studying | D．studied |
It took the police a long time to find some evidence. The new evidence led to ____________.
| A．the robber having caught | B．catch the robber |
| C．the robber being caught | D．the robber to be caught |
It is considered to be almost a crime to ______ children to violence on TV.
| A．contribute | B．devote | C．prefer | D．expose |
．Into the dark apartment____ , who was quite surprised when everyone shouted “Happy Birthday”.
| A．did David walk | B．David walked | C．David did walk | D．walked David |
A successful life is a life_____ challenges are met and difficulties overcome.
| A．which | B．where | C．that | D．what |
．Sorry I’m so late, but you cannot imagine__________great trouble I took to find your house.
| A．what | B．how | C．why | D．when |