Scientists are convinced the p
ositive effect of laughter physical and mental health.
| A．of; at | B．by; in | C．of; on | D．on; at |
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 |
I decided to pay a visit to my former teacher as soon as I ____.
| A．finish what I did | B．finished what I did |
| C．would finish what I was doing | D．finished what I was doing |
. I like getting up very early in summer. The morning air is so good _________.
| A．to be breathed | B．to breathe |
| C．breathing | D．being breathed |
. My English teacher’s humor was _________ make every student burst into laughter.
| A．so as to | B．such as to |
| C．such that | D．so that |