______ a warm clear morning , the exchange students _______ London Train Station.
| A．In, reach | B．On , arrived in |
| C．At ,got to | D．On, arrived at |
He ______ a chance to try it again just now.
| A．gave | B．will give | C．is given | D．was given |
We _______ many roses in the garden since last year.
| A．plant | B．planted | C．have planted | D．are planting |
Smoking ______ in the kitchen in my house.
| A．doesn’t allow | B．didn’t allow | C．isn’t allowed | D．won’t allow |
John ______ an NBA playoff game on TV now.
| A．watches | B．watched | C．will watch | D．is watching |
— Must we send our plan this week?
— No, you ______.
| A．mustn’t | B．can’t | C．shouldn’t | D．needn’t |