Question

1. They ______ complete their work by noon.

I. can

II. may

III. will

IV. should

2. Three parts of the business ____ left for me to do.

I. was

II. is

III. were

IV. are

3. We ___ to spend our money carefully.

I. ought

II. should

III. have to

IV. need

4. You ____ not pluck flowers from the garden.

I. will

II. need

III. should

IV. must.​

Answer 1

1. may

2. were

3. need

4. must/should

I'm not sure about 4 but should have more chances I think

Answer 2

Answer:

they __complete their work by afternoon