We will go bike riding it rains this afternoon.
| A．if | B．since | C．as soon as | D．unless |
---Why not _______ a party this week?
---That’s a good idea.
| A．to have | B．having | C．have | D．had |
Playing with _______ robot is _______ unusual experience for me.
| A．an; an | B．a; an | C．the; a | D．a; a |
There are some children _____ in the room.
| A．singing | B．sing | C．are singing | D．to sing |
---I’m glad to meet you.---__________.
| A．The same | B．Thanks | C．Sure | D．Me, too |
The population of Tianjin is ______ than that of Shanghai.
| A．larger | B．less | C．smaller | D．fewer |