As students, we should work hard and do ________ best to realize our dreams.
| A．us | B．our | C．ours | D．ourselves |
I don’t know when he _________ tomorrow. If he _________, I’ll let you know.
| A．comes, comes | B．will come, comes |
| C．comes, will come | D．came, will come |
He won’t join in the party. I won’t, _________.
| A．yet | B．either | C．also | D．too |
The price of this bicycle is quite _________. I don’t have enough money to buy it.
| A．low | B．rich | C．high | D．expensive |
My father _________ Beijing on business for three days. He will be back in two days.
| A．have gone to | B．has gone to |
| C．has been to | D．has been in |
Our teacher told us light _________ much faster than sound .
| A．travels | B．traveled | C．had traveled | D．will travel |