4√x +√50y-√25x-5√17y=

1 We [’re staying / will stay] in a lodge in the safari park from Monday to Saturday/

2 You [aren’t needing / won’t need] a coat today. It’s really hot and sunny.

3 The flight for Bombay [will leave / leaving ] at 15.00 from gate 33.

4 [Are you going to / Won’t you] stop off anywhere on your journey?

5 I’m sure you [’ll have / have] a lovely time in Alaska.

6 What [are you doing / will you do] tomorrow afternoon?

7 John [won’t / isn’t] joining us for dinner. He likes to go for a long walk in the evening.

8 We [will / ’re going to] visit friends in Vienna at the weekend and then fly on to Zurich for a few days.

9 If you’re interested in modern art, you [’ll love / are loving] the Tate Modern in London.

10 [Do / Will] we see any elephants in the savannahs?

11 Don’t worry. We [’re not going to / don’t] miss the train. We have plenty of time.

12 This summer, Miki [is going to visit / visits] friends on Goto Island.

13 What time [will Kim and Gill arrive / are Kim and Gill arriving] tomorrow?

14 Do you have an umbrella with you? The weather forecast says it [’s going to / will] rain very hard later.

15 They [won’t / aren’t going to] meet Betty. They’ve just told me.

16 Where [do we meet / are we meeting] next week?