If you have finished your dinner, you _____ask for the bill.

• could

• can

• could have

• had

If I _____ taller, I would reach the top shelf.

• was

• am

• were

• had been

They wouldn't have been surprised if they ______ the truth,

• knew

• know

• had known

• had knew

Moses ____ better grades if he had studied harder,

• got

• gets

• would get

• would have gotten

If you had studied harder, you _____ better grades.

• would have gotten

• got

• gets

• would get

Melissa wouldn't have been surprised if she _____ the truth.

• knew

• know

• had known

• had knew

If he _____ taller, he would reach the top shelf.

• was

• am

• were

• had been

The economy _____ more stability if the government implemented better policies,

• may exhibit

• may not exhibit

• might exhibit

• might not exhibit

_____ I more adept at coding, I might design intricate software programs.

• was

• were

• had

• did

Water turns into ice if the temperature ____ below freezing,

• drops

• had dropped

• dropped

• were dropped