As we all know, regular exercise can be _____to health.
| A．suitable | B．harmful | C．absent | D．beneficial |
.
________ fun it is to jump into a pool or go swimming in summer!
| A．What a | B．How | C．How a | D．What |
.
I prefer a company ________ people have to work as a team, instead of fighting against each other.
| A．where | B．that | C．as | D．when |
.
________! We first got a flat tire, and now my cell phone is dead.
| A．For what | B．What’s up | C．Guess what | D．What’s on |
.
Do you have any seats ________ on the flight for Mexico leaving at 15:16?
| A．available | B．accessible | C．acceptable | D．adaptable |
.
We won’t know how much food to buy until we decide how many people ________.
| A．were coming | B．are coming | C．have been coming | D．had come |