______ a family of chimps wake up is our first activity of the day.
| A．Watch | B．Watching | C．Watched | D．Being watched |
Doctors have said that as many as 50 percent of patients don’t take medicine ____ directed.
| A．like | B．so | C．which | D．as |
Most people usually have less money at the end of the month than ____at the beginning.
| A．which is | B．which was | C．they have | D．it is |
My cousin keeps the photo ____ he can see it every day, as it always reminds him of his college days in Florida.
| A．which | B．where | C．whether | D．when |
These two countries are similar ____ they both have a high snowfall during winter.
| A．to that | B．besides that | C．in that | D．except that |
We see the lightning ____ it happens, but we hear the thunder later.
| A．the moment | B．for the moment |
| C．at the moment | D．in a moment |