These continual _____ in temperature make it impossible to decide what to wear.
| A．alterations | B．vibrations | C．waves | D．fluctuations |
Mary has always been doing well in that company. Tomorrow she will go on a trip to Europe, ______________.
| A．all expenses paid | B．all expenses paying |
| C．paying all expenses | D．paid all expenses |
Yesterday I went to buy a computer. There were so many models for us ________ in the shop that I was at a loss which to buy.
| A．to be chosen | B．to choose | C．to choose from | D．for choosing |
We wanted to get home before dark, but it didn’t quite ________ as planned.
| A．turn out | B．turn up | C．go on | D．make out |
Who did the teacher ________ the exercises?
| A．have done | B．have do | C．had done | D．has done |
Besides dogs, _______ horse has had the closest relationship with ______ man.
| A．the; the | B．/; / | C．a; / | D．the; / |