----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.

----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.

#53899

mustn’t

can’t

may not

needn’t

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Thanks for      me this good news.

#57622

tell

telling

to tell

tells

It is difficult __________ you ___________ finish the work in a week.

#56330

of, to

with, to

with, for

for, to

We ________ a sports meeting if it is fine next Wednesday.

#53051

have

had

have had

will have

We will have finished ________ Unit 15 by April. We can review all the lessons.

#61810

learning

learn

learned

to learn

Good hotels can provide us _______hot water even at night. And it can also provide food ______us any time.

#55254

for; for

with; with

with; for

for; with

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