--- This must be a footprint of a tiger. --- It ____ be. A tiger’s should be much larger and deeper than this.
We were supposed to move into our new classroom building at the beginning of this month,but things didn’t ________ as planned.
By playing with the native boys and girls,one can ________ a lot of their language.
—If we take a plane,we’ll of course have arrived in London by the next weekend. —Don’t be too sure.We should ________ the weather factor.What shall we do if it is foggy?
No one could ________ the failure of the experiment as everything went smoothly at first.
—How much did the guy ________ you to fix your 3G mobile phone? —I don’t remember,but it was quite a lot.